diff --git a/setup.py b/setup.py
index b7303e9..e47d215 100644
--- a/setup.py
+++ b/setup.py
@@ -56,7 +56,7 @@ class OpenLDAP2:
   LDAP_CLASS.extra_files[i]=(destdir, origfileslist)
 
 if os.environ.get('WITH_GCOV'):
-  # Insrumentation for measuring code coverage
+  # Instrumentation for measuring code coverage
   LDAP_CLASS.extra_compile_args.extend(
     ['-O0', '-pg', '-fprofile-arcs', '-ftest-coverage']
   )