diff --git a/plugins/Owner/plugin.py b/plugins/Owner/plugin.py
index 0e56e11ca..db33b8988 100644
--- a/plugins/Owner/plugin.py
+++ b/plugins/Owner/plugin.py
@@ -75,7 +75,7 @@ def registerRename(plugin, command=None, newName=None):
 def renameCommand(cb, name, newName):
     assert not hasattr(cb, newName), 'Cannot rename over existing attributes.'
     assert newName == callbacks.canonicalName(newName), \
-           'newName must already be canonicalized.'
+           'newName must already be canonized.'
     if name != newName:
         method = getattr(cb.__class__, name)
         setattr(cb.__class__, newName, method)
diff --git a/plugins/RSS/plugin.py b/plugins/RSS/plugin.py
index 7a72cda24..c79cb39ec 100644
--- a/plugins/RSS/plugin.py
+++ b/plugins/RSS/plugin.py
@@ -141,11 +141,11 @@ class RSS(callbacks.Privmsg):
                 oldheadlines = []
             newresults = self.getFeed(url)
             newheadlines = self.getHeadlines(newresults)
-            def canonicalize(headline):
+            def canonize(headline):
                 return (tuple(headline[0].lower().split()), headline[1])
-            oldheadlines = set(map(canonicalize, oldheadlines))
+            oldheadlines = set(map(canonize, oldheadlines))
             for (i, headline) in enumerate(newheadlines):
-                if canonicalize(headline) in oldheadlines:
+                if canonize(headline) in oldheadlines:
                     newheadlines[i] = None
             newheadlines = filter(None, newheadlines) # Removes Nones.
             if newheadlines:
diff --git a/src/callbacks.py b/src/callbacks.py
index 739e8e68e..c7e5070c1 100644
--- a/src/callbacks.py
+++ b/src/callbacks.py
@@ -1099,7 +1099,7 @@ class Privmsg(irclib.IrcCallback):
         # This function is ugly, but I don't want users to call methods like
         # doPrivmsg or __init__ or whatever, and this is good to stop them.
 
-        # Don't canonicalize this name: consider outFilter(self, irc, msg).
+        # Don't canonize this name: consider outFilter(self, irc, msg).
         # name = canonicalName(name)
         if self.isDisabled(name):
             return False