diff --git a/certbot-apache/certbot_apache/override_centos.py b/certbot-apache/certbot_apache/override_centos.py
index 2e5ef9a45..1995fd2a2 100644
--- a/certbot-apache/certbot_apache/override_centos.py
+++ b/certbot-apache/certbot_apache/override_centos.py
@@ -93,7 +93,8 @@ class CentOSConfigurator(configurator.ApacheConfigurator):
             if self.parser.not_modssl_ifmodule(noarg_path):  # pylint: disable=no-member
                 if self.parser.loc["default"] in noarg_path:
                     # LoadModule already in the main configuration file
-                    if "ifmodule/" in noarg_path or "ifmodule[1]" in noarg_path.lower():
+                    if ("ifmodule/" in noarg_path.lower() or
+                        "ifmodule[1]" in noarg_path.lower()):
                         # It's the first or only IfModule in the file
                         return
                 # Populate the list of known !mod_ssl.c IfModules
diff --git a/certbot-apache/certbot_apache/parser.py b/certbot-apache/certbot_apache/parser.py
index 085ede166..abd0cd879 100644
--- a/certbot-apache/certbot_apache/parser.py
+++ b/certbot-apache/certbot_apache/parser.py
@@ -300,6 +300,11 @@ 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 requested IfModule directive that pre-existed
+            or was created during the process. The path may be dynamic,
+            i.e. .../IfModule[last()]
+        :rtype: str
+
         """
         if_mods = self.aug.match(("%s/IfModule/*[self::arg='%s']" %
                                   (aug_conf_path, mod)))
@@ -310,7 +315,7 @@ class ApacheParser(object):
         return if_mods[0].rpartition("arg")[0]
 
     def create_ifmod(self, aug_conf_path, mod, beginning=False):
-        """Creates a new <IfMod mod> and returs it path.
+        """Creates a new <IfMod mod> and returns its path.
 
         :param str aug_conf_path: Augeas configuration path
         :param str mod: module ie. mod_ssl.c