diff --git a/lib/friendly_id.rb b/lib/friendly_id.rb
index <HASH>..<HASH> 100644
--- a/lib/friendly_id.rb
+++ b/lib/friendly_id.rb
@@ -28,7 +28,7 @@ The concept of *slugs* is at the heart of FriendlyId.
 
 A slug is the part of a URL which identifies a page using human-readable
 keywords, rather than an opaque identifier such as a numeric id. This can make
-your application more friendly both for users and search engine.
+your application more friendly both for users and search engines.
 
 #### Finders: Slugs Act Like Numeric IDs
Minor typo fix "search engine" -> "search engines"

Thanks for a great gem - HTH, Eliot