diff --git a/lib/core/facets/boolean.rb b/lib/core/facets/boolean.rb
index ec4dae06..975cb931 100644
--- a/lib/core/facets/boolean.rb
+++ b/lib/core/facets/boolean.rb
@@ -86,7 +86,7 @@ class String
   #
   # All other strings return false.
   #
-  # Here are some exmamples.
+  # Here are some examples.
   #
   #   "true".to_b   #=> true
   #   "yes".to_b    #=> true