diff --git a/install.sh b/install.sh
index 06391fd37fa40be9ba4b7a5383739e17087a11a5..5ddc41a80e7fe6839786c8be3efa902015bc1b2a 100755
--- a/install.sh
+++ b/install.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
 python3.6 setup.py build_ext
 # .egg-link does not work with PYTHONPATH ?
-pip3.6 install -e .
-pip3.6 install  --no-deps --ignore-installed .
+python3.6 -m pip install -e .
+python3.6 -m pip install  --no-deps --ignore-installed .
diff --git a/libhts/libhts.py b/libhts/libhts.py
index 5b4e1b03193b10f9797cc1120ee65cfd3fa97c48..4e633984a07a2bc0f9d6f6daf8c0cbe9c3fc7959 100644
--- a/libhts/libhts.py
+++ b/libhts/libhts.py
@@ -139,7 +139,7 @@ def gtf_2_genes_exon_lengths(gtf_filename):
 
 
 def repeat_bed_2_lengths(repeat_bed):
-    """Computes the lengths of repeatitive elements in a bed file, grouped by families.
+    """Computes the lengths of repetitive elements in a bed file, grouped by families.
     This assumes that the elements have their names composed of the family name,
     then a colon, then a number. For instance:
     Simple_repeat|Simple_repeat|(TTTTTTG)n:1