diff --git a/rpg/RapidPeptidesGenerator.py b/rpg/RapidPeptidesGenerator.py
index 9657c6765fe0d9b51664cbb373076cee49526c96..454257691e22997bba451f525f33ea5d6bbfa6dd 100644
--- a/rpg/RapidPeptidesGenerator.py
+++ b/rpg/RapidPeptidesGenerator.py
@@ -116,14 +116,14 @@ def list_enzyme():
     for enz in ALL_ENZYMES:
         print("%i: %s" % (enz.id_, enz.name))
 
-def create_enzymes_to_use(enzymes, miss_cleavage):
+def create_enzymes_to_use(enzymes, miscleavage):
     """Create the list of chosen :py:class:`~rpg.enzyme.Enzyme` to use.
     Each enzyme can be associated to a miscleavage value.
 
     :param enzymes: enzymes ids chosen by user
-    :param miss_cleavage: associated miscleavage values
+    :param miscleavage: associated miscleavage values
     :type enzymes: list(int)
-    :type miss_cleavage: list(float)
+    :type miscleavage: list(float)
 
     :return: list of enzyme's id with associated miscleavage values
     :rtype: list(int)
@@ -133,24 +133,24 @@ def create_enzymes_to_use(enzymes, miss_cleavage):
     enzymes_to_use = []
     if enzymes:
         # Too much miscleavage values
-        if len(miss_cleavage) > len(enzymes):
+        if len(miscleavage) > len(enzymes):
             core.handle_errors("Too much miscleavage values. Last values"
                                " will be ignored.")
             # Get only the first ones
-            miss_cleavage = miss_cleavage[:len(enzymes)]
+            miscleavage = miscleavage[:len(enzymes)]
         cur_pos = -1
-        # Get all enzymes with a given miss_cleavage
-        for i, _ in enumerate(miss_cleavage):
+        # Get all enzymes with a given miscleavage
+        for i, _ in enumerate(miscleavage):
             # In all available enzymes
             for enz in ALL_ENZYMES:
                 # Get the current one
                 if enz.id_ == enzymes[i]:
-                    # Change miss_cleavage ratio
-                    enz.ratio_miss_cleavage = miss_cleavage[i]
+                    # Change miscleavage ratio
+                    enz.ratio_miscleavage = miscleavage[i]
                     # Add it
                     enzymes_to_use.append(enz)
             cur_pos = i
-        # Get all enzymes without miss_cleavage value
+        # Get all enzymes without miscleavage value
         for i in enzymes[cur_pos + 1:]:
             # In all available enzymes
             for enz in ALL_ENZYMES:
@@ -161,17 +161,17 @@ def create_enzymes_to_use(enzymes, miss_cleavage):
     # Return enzymes to use
     return enzymes_to_use
 # Not tested
-def get_enzymes_to_use(mode, id_enz_selected, miss_cleavage):
+def get_enzymes_to_use(mode, id_enz_selected, miscleavage):
     """Get the list of chosen :py:class:`~rpg.enzyme.Enzyme` to use.
     Each enzyme (and associated miscleavage value) are inputed by
     user. If there is a problem, user is interrogated again.
 
     :param mode: Digestion mode. If 'concurrent', no miscleavage values are used
     :param enzymes: enzyme's ids chosen by user
-    :param miss_cleavage: associated miscleavage values
+    :param miscleavage: associated miscleavage values
     :type mode: str
     :type enzymes: list(int)
-    :type miss_cleavage: list(float)
+    :type miscleavage: list(float)
 
     :return: list of enzyme's id with associated miscleavage values
     :rtype: list(int)
@@ -180,7 +180,7 @@ def get_enzymes_to_use(mode, id_enz_selected, miss_cleavage):
     """
 
     # Get the correct Enzymes inputed
-    enzymes_to_use = create_enzymes_to_use(id_enz_selected, miss_cleavage)
+    enzymes_to_use = create_enzymes_to_use(id_enz_selected, miscleavage)
     # No good Enzymes inputed, let user choose
     if not enzymes_to_use:
         id_enz_inputed = []
@@ -373,7 +373,7 @@ def main():
         print("Enzyme(s) used: " + str([enz.name for enz in enzymes_to_use]))
         print("Mode: " + mode)
         print("miscleavage ratio: " +
-              str([enz.ratio_miss_cleavage for enz in enzymes_to_use]))
+              str([enz.ratio_miscleavage for enz in enzymes_to_use]))
         print("Output file: " + os.path.abspath(output_file))
 
     # Make the actual digestion of input data
diff --git a/rpg/digest.py b/rpg/digest.py
index bebe5796f85ba72582067f081dd859456772fdf5..9d8bcf4d5b7a2e7428f385eb72ba6ea54b22559d 100644
--- a/rpg/digest.py
+++ b/rpg/digest.py
@@ -35,31 +35,31 @@ class ResultOneDigestion:
     :param enzyme_name: name of the enzyme used
     :param peptides: all resulting peptides after digestion
     :param nb_cleavage: number of cleavage that occurs
-    :param pos_miss_cleavage: position of miscleavage that occurs
+    :param pos_miscleavage: position of miscleavage that occurs
     :type enzyme_name: str
     :type peptides: list(:py:class:`~rpg.sequence.Peptide`)
     :type nb_cleavage: int
-    :type pos_miss_cleavage: list(int)
+    :type pos_miscleavage: list(int)
     """
     def __init__(self, enzyme_name, peptides=None, nb_cleavage=0,
-                 pos_miss_cleavage=None):
+                 pos_miscleavage=None):
         self.enzyme_name = enzyme_name  # Enzyme name used for this digestion
         self.peptides = peptides
         if self.peptides is None:
             self.peptides = []
         self.nb_cleavage = nb_cleavage  # number of cleavage
-        self.pos_miss_cleavage = pos_miss_cleavage  # position of m-c
-        if self.pos_miss_cleavage is None:
-            self.pos_miss_cleavage = []
+        self.pos_miscleavage = pos_miscleavage  # position of m-c
+        if self.pos_miscleavage is None:
+            self.pos_miscleavage = []
 
     # self representation for print
     def __repr__(self):
         return "Number of cleavage: " + str(self.nb_cleavage) + \
                "\nNumber of miscleavage: " + \
-               str(len(self.pos_miss_cleavage)) + \
-               "\nPositions of miscleavage: " + str(self.pos_miss_cleavage)\
+               str(len(self.pos_miscleavage)) + \
+               "\nPositions of miscleavage: " + str(self.pos_miscleavage)\
                + "\nRatio of miscleavage: " + \
-               str(self.get_ratio_miss_cleavage()) + \
+               str(self.get_ratio_miscleavage()) + \
                "\nPeptides: " + str(self.peptides) + "\n"
 
     # Equality between two ResultOneDigestion
@@ -101,44 +101,44 @@ class ResultOneDigestion:
         """Increase :attr:`self.nb_cleavage` by 1."""
         self.nb_cleavage += 1
 
-    def get_nb_miss_cleavage(self):
+    def get_nb_miscleavage(self):
         """Get the number of miscleavages that occurs
         on this digestion.
 
         :return: number of miscleavage
         :rtype: int
         """
-        return len(self.pos_miss_cleavage)
+        return len(self.pos_miscleavage)
 
-    def add_miss_cleavage(self, new_pos_miss_cleavage):
-        """Add a miscleavage to :attr:`self.pos_miss_cleavage`.
+    def add_miscleavage(self, new_pos_miscleavage):
+        """Add a miscleavage to :attr:`self.pos_miscleavage`.
 
-        :param new_pos_miss_cleavage: position of miscleavage
-        :type new_pos_miss_cleavage: int
+        :param new_pos_miscleavage: position of miscleavage
+        :type new_pos_miscleavage: int
         """
-        self.pos_miss_cleavage.append(new_pos_miss_cleavage)
+        self.pos_miscleavage.append(new_pos_miscleavage)
 
-    def get_ratio_miss_cleavage(self):
+    def get_ratio_miscleavage(self):
         """Get ratio of miscleavage.
 
         :return: ratio of miscleavage
         :rtype: float
         """
         ret = 0
-        if self.nb_cleavage > 0 or self.get_nb_miss_cleavage() > 0:
-            ret = self.get_nb_miss_cleavage() / (self.nb_cleavage + \
-                                                 self.get_nb_miss_cleavage()) \
+        if self.nb_cleavage > 0 or self.get_nb_miscleavage() > 0:
+            ret = self.get_nb_miscleavage() / (self.nb_cleavage + \
+                                                 self.get_nb_miscleavage()) \
                                               * 100
         return ret
 
-    def get_miss_cleavage_pos(self):
+    def get_miscleavage_pos(self):
         """Get positions of miscleavage as a string.
 
         :return: positions of miscleavage
         :rtype: str
         """
         ret = ""
-        for i in self.pos_miss_cleavage:
+        for i in self.pos_miscleavage:
             ret += str(i) + ", "
         return ret[:-2]
 
@@ -158,7 +158,7 @@ class ResultOneDigestion:
         """Fuse two :py:class:`ResultOneDigestion` by adding to
         :attr:`self` the peptides of :attr:`other` and changing their
         :py:class:`~rpg.enzyme.Enzyme`. It also update :attr:`self.nb_cleavage` and
-        :attr:`self.pos_miss_cleavage`.
+        :attr:`self.pos_miscleavage`.
 
         :param other: object to fuse with `self`
         :type other: :py:class:`ResultOneDigestion`
@@ -169,8 +169,8 @@ class ResultOneDigestion:
             self.add_peptide(peptide)
         # Add nb_cleavage from other
         self.nb_cleavage += other.nb_cleavage
-        # Add pos_miss_cleavage from other
-        self.pos_miss_cleavage += other.pos_miss_cleavage
+        # Add pos_miscleavage from other
+        self.pos_miscleavage += other.pos_miscleavage
 
     def get_smallest_peptide(self):
         """Get the (first) smallest peptide of :attr:`self.peptides`.
@@ -195,10 +195,10 @@ class ResultOneDigestion:
         ret = ""
         ret += "\nNumber of cleavage: " + str(self.nb_cleavage) + "\n"
         ret += "Cleavage position: " + self.get_cleavage_pos() + "\n"
-        ret += "Number of miscleavage: " + str(self.get_nb_miss_cleavage())\
+        ret += "Number of miscleavage: " + str(self.get_nb_miscleavage())\
                + "\n"
-        ret += "miscleavage position: " + self.get_miss_cleavage_pos() + "\n"
-        ret += "miscleavage ratio: %.2f%%\n" % self.get_ratio_miss_cleavage()
+        ret += "miscleavage position: " + self.get_miscleavage_pos() + "\n"
+        ret += "miscleavage ratio: %.2f%%\n" % self.get_ratio_miscleavage()
         ret += "Smallest peptide size: " + \
                 str(self.get_smallest_peptide().size) + "\n"
         ret += "N terminal peptide: " + self.peptides[0].sequence + "\n"
@@ -252,8 +252,8 @@ def one_digest(pep, enz):
             if rule.handle_rule(pep.sequence, pos, rul, cut):
                 # Random to handle miscleavage
                 tmp_rand = random.random() * 100
-                # Rand > ratio_miss_cleavage, no miscleavage occurs
-                if tmp_rand > enz.ratio_miss_cleavage:
+                # Rand > ratio_miscleavage, no miscleavage occurs
+                if tmp_rand > enz.ratio_miscleavage:
                     # Test, this should NEVER be used
                     if rul.pos == -1:
                         core.handle_errors("not able to understand if I shou"
@@ -285,7 +285,7 @@ def one_digest(pep, enz):
                             ret.inc_nb_cleavage()
                 # A miscleavage occurs
                 else:
-                    ret.add_miss_cleavage(pos)
+                    ret.add_miscleavage(pos)
     # End of the peptide
     if a_cut_occurs:
         tmp_pos = len(pep.sequence)  # Last portion of protein
diff --git a/rpg/enzyme.py b/rpg/enzyme.py
index b129bd46641df548c93a4022c23eee331ded3112..f0878e81ae530bb2293ad360061a48176233b259 100644
--- a/rpg/enzyme.py
+++ b/rpg/enzyme.py
@@ -45,22 +45,22 @@ class Enzyme:
     :param id_: id of the enzyme
     :param name: name of the enzyme
     :param rules: cleaving rules
-    :param ratio_miss_cleavage: miscleavage ratio
+    :param ratio_miscleavage: miscleavage ratio
     :type id_: int
     :type name: str
     :type rules: list(:py:class:`~rpg.rule.Rule`)
-    :type ratio_miss_cleavage: float
+    :type ratio_miscleavage: float
     """
-    def __init__(self, id_, name, rules, ratio_miss_cleavage=0):
+    def __init__(self, id_, name, rules, ratio_miscleavage=0):
         self.id_ = id_
         self.name = name
-        self.ratio_miss_cleavage = ratio_miss_cleavage
+        self.ratio_miscleavage = ratio_miscleavage
         self.rules = rules
 
     # self representation for print
     def __repr__(self):
         return "Id: %s\nName: %s\nRatio Miss Cleaveage: %.2f%%\nRules: %s\n" %\
-            (self.id_, self.name, self.ratio_miss_cleavage, self.rules)
+            (self.id_, self.name, self.ratio_miscleavage, self.rules)
 
     # Equality between two Enzymes
     def __eq__(self, other):
diff --git a/tests/test_RapidPeptidesGenerator.py b/tests/test_RapidPeptidesGenerator.py
index b8693e085f758e8eb6ed5a1e6235207ef7ab0222..fe3696d951903177b2bbe22a296aa41c089401bf 100644
--- a/tests/test_RapidPeptidesGenerator.py
+++ b/tests/test_RapidPeptidesGenerator.py
@@ -58,10 +58,10 @@ def test_list_enzyme(capsys):
                   "de\n27: Trypsin\n"
 
 def test_create_enzymes_to_use(capsys):
-    """Test function 'create_enzymes_to_use(enzymes, miss_cleavage)'"""
+    """Test function 'create_enzymes_to_use(enzymes, miscleavage)'"""
     enzymes = [19, 22, 21]
-    miss_cleavage = [1.1, 20]
-    res = RapidPeptidesGenerator.create_enzymes_to_use(enzymes, miss_cleavage)
+    miscleavage = [1.1, 20]
+    res = RapidPeptidesGenerator.create_enzymes_to_use(enzymes, miscleavage)
     assert res.__repr__() == "[Id: 19\nName: Glu-C\nRatio Miss Cleaveage: 1.1"\
                            "0%\nRules: [index=0\nletter=D\ncut=True\npos=1\n,"\
                            " index=0\nletter=E\ncut=True\npos=1\n]\n, Id: 22"\
@@ -70,8 +70,8 @@ def test_create_enzymes_to_use(capsys):
                            "21\nName: Lys-N\nRatio Miss Cleaveage: 0.00%\nRul"\
                            "es: [index=0\nletter=K\ncut=True\npos=0\n]\n]"
     enzymes = [19, 22]
-    miss_cleavage = [1.1, 20, 40]
-    res = RapidPeptidesGenerator.create_enzymes_to_use(enzymes, miss_cleavage)
+    miscleavage = [1.1, 20, 40]
+    res = RapidPeptidesGenerator.create_enzymes_to_use(enzymes, miscleavage)
     _, err = capsys.readouterr()
     assert err == "Warning: Too much miscleavage values. Last values will "\
                   "be ignored.\n"
diff --git a/tests/test_digest.py b/tests/test_digest.py
index 4a9ec042f756c439538c591ad975a2c10b0eba51..eed13c7e6db4d11056eb6eb90dfc3b61315a9906 100644
--- a/tests/test_digest.py
+++ b/tests/test_digest.py
@@ -79,18 +79,18 @@ def test_resultonedigestion():
     res_dig5.inc_nb_cleavage()
     assert res_dig5.nb_cleavage == 4
 
-    # Test function 'get_nb_miss_cleavage()'
-    assert res_dig5.get_nb_miss_cleavage() == 3
+    # Test function 'get_nb_miscleavage()'
+    assert res_dig5.get_nb_miscleavage() == 3
 
-    # Test function 'add_miss_cleavage()'
-    res_dig5.add_miss_cleavage(6)
-    assert res_dig5.get_nb_miss_cleavage() == 4
+    # Test function 'add_miscleavage()'
+    res_dig5.add_miscleavage(6)
+    assert res_dig5.get_nb_miscleavage() == 4
 
-    # Test function 'get_ratio_miss_cleavage()'
-    assert res_dig5.get_ratio_miss_cleavage() == 50.0
+    # Test function 'get_ratio_miscleavage()'
+    assert res_dig5.get_ratio_miscleavage() == 50.0
 
-    # Test function 'get_miss_cleavage_pos()'
-    assert res_dig5.get_miss_cleavage_pos() == "2, 3, 4, 6"
+    # Test function 'get_miscleavage_pos()'
+    assert res_dig5.get_miscleavage_pos() == "2, 3, 4, 6"
 
     # Test function 'get_cleavage_pos()'
     res_dig5.add_peptide(pep1)
@@ -109,7 +109,7 @@ def test_resultonedigestion():
         assert i.enzyme_name == "fake_enzyme"
     assert len(res_dig5.peptides) == 4
     assert res_dig5.nb_cleavage == 5
-    assert res_dig5.pos_miss_cleavage == [2, 3, 4, 6, 2, 3]
+    assert res_dig5.pos_miscleavage == [2, 3, 4, 6, 2, 3]
 
     # Test function 'get_more_info()'
     assert res_dig5.get_more_info() == "\nNumber of cleavage: 5\nCleavage pos"\