diff --git a/docs/userguide.rst b/docs/userguide.rst
index 466f952d3b90c282d1bacec3a00a2feee4c10249..c3a57d384af085376d9ab0ba402ec0b0ba8fe202 100644
--- a/docs/userguide.rst
+++ b/docs/userguide.rst
@@ -174,7 +174,7 @@ Here are all available options in **RPG**:
 
 **-o, -\\-outputfile**: Result file to output resulting peptides (default './peptides.xxx' depending of -\\-fmt).
 
-**-p, -\\-pka**: Define pKa values. Either 'ipc2', 'stryer' or 'ipc' (default: ipc2, ipc is deprecated). IPC2 values come from `IPC_peptide in Supplementary Table S1 <https://doi.org/10.1093/nar/gkab295>`_, Stryer values from Biochemistry Stryer, 7th edition and IPC values from `IPC_peptide <http://isoelectric.org/theory.html>`_.
+**-p, -\\-pka**: Define pKa values. Either 'ipc2', 'stryer' or 'ipc' (default: ipc2). IPC2 values come from `IPC_peptide in Supplementary Table S1 <https://doi.org/10.1093/nar/gkab295>`_, Stryer values from Biochemistry Stryer, 7th edition and IPC values from `IPC_peptide <http://isoelectric.org/theory.html>`_.
 
 **-r, -\\-randomname**: Random (not used) output name file. See :ref:`random` for more information.
 
diff --git a/rpg/RapidPeptidesGenerator.py b/rpg/RapidPeptidesGenerator.py
index 259def22554faf54269fd9f3ab0b7a96b273abaa..decca71132120783cd28a903c743a8e652fe6067 100644
--- a/rpg/RapidPeptidesGenerator.py
+++ b/rpg/RapidPeptidesGenerator.py
@@ -274,7 +274,7 @@ def main():
                         "overwritten.")
     parser.add_argument("-p", "--pka", metavar="", choices=['ipc2', 'stryer', 'ipc'],
                         default="ipc2", help="Define pKa values. Either 'ipc2' "
-                        "'stryer' or 'ipc' (deprecated) (default: ipc2)")
+                        "'stryer' or 'ipc' (default: ipc2)")
     group_output = parser.add_mutually_exclusive_group()
     group_output.add_argument("-o", "--outputfile", type=str, metavar="",
                               default="", help="Optional result file "