diff --git a/certbot-apache/certbot_apache/parser.py b/certbot-apache/certbot_apache/parser.py
index abd0cd879..b025396ad 100644
--- a/certbot-apache/certbot_apache/parser.py
+++ b/certbot-apache/certbot_apache/parser.py
@@ -322,6 +322,10 @@ class ApacheParser(object):
         :param bool beginning: If the IfModule should be created to the beginning
             of augeas path DOM tree.
 
+        :returns: Augeas path of the newly created IfModule directive.
+            The path may be dynamic, i.e. .../IfModule[last()]
+        :rtype: str
+
         """
         if beginning:
             c_path_arg = "{}/IfModule[1]/arg".format(aug_conf_path)