diff --git a/doc/mk_api_doc.py b/doc/mk_api_doc.py
index b93654288..1b498fb19 100644
--- a/doc/mk_api_doc.py
+++ b/doc/mk_api_doc.py
@@ -72,7 +72,7 @@ try:
if (line != '[ML]\n'):
fo.write(line)
elif (ML_ENABLED):
- fo.write(' - ML/OCaml API\n')
+ fo.write(' - ML/OCaml API\n')
fi.close()
fo.close()