diff --git a/release/update_manpages.py b/release/update_manpages.py
index 9cbb43b6..d1bf8928 100644
--- a/release/update_manpages.py
+++ b/release/update_manpages.py
@@ -109,10 +109,10 @@ def replace_regex(data):
     Updated manpage text.
   """
   regex = (
-      (r'(It was generated by help2man) [0-9.]+', '\g<1>.'),
-      (r'^\033\[[0-9;]*m([^\033]*)\033\[m', '\g<1>'),
-      (r'^\.IP\n(.*:)\n', '.SS \g<1>\n'),
-      (r'^\.PP\nDescription', '.SH DETAILS'),
+      (r'(It was generated by help2man) [0-9.]+', r'\g<1>.'),
+      (r'^\033\[[0-9;]*m([^\033]*)\033\[m', r'\g<1>'),
+      (r'^\.IP\n(.*:)\n', r'.SS \g<1>\n'),
+      (r'^\.PP\nDescription', r'.SH DETAILS'),
   )
   for pattern, replacement in regex:
     data = re.sub(pattern, replacement, data, flags=re.M)