diff --git a/activesupport/lib/active_support/inflector/methods.rb b/activesupport/lib/active_support/inflector/methods.rb
index 9eba02b6f0..282f46a836 100644
--- a/activesupport/lib/active_support/inflector/methods.rb
+++ b/activesupport/lib/active_support/inflector/methods.rb
@@ -298,7 +298,7 @@ module ActiveSupport
       end
     end
 
-    # Applies inflection rules for +singluralize+ and +pluralize+.
+    # Applies inflection rules for +singuralize+ and +pluralize+.
     #
     # Examples:
     #  apply_inflections("post", inflections.plurals) # => "posts"