diff --git a/activesupport/lib/active_support/inflector/methods.rb b/activesupport/lib/active_support/inflector/methods.rb
index 9eba02b6f0af53e12137754817dcb731c6e894a9..282f46a836ac3cba5d77a27c83b65c5919e8c36f 100644
--- a/activesupport/lib/active_support/inflector/methods.rb
+++ b/activesupport/lib/active_support/inflector/methods.rb
@@ -298,7 +298,7 @@ def const_regexp(camel_cased_word) #:nodoc:
       end
     end
 
-    # Applies inflection rules for +singluralize+ and +pluralize+.
+    # Applies inflection rules for +singuralize+ and +pluralize+.
     #
     # Examples:
     #  apply_inflections("post", inflections.plurals) # => "posts"