diff --git a/README.EXT b/README.EXT
index 9b571b36a2..73a78d8e85 100644
--- a/README.EXT
+++ b/README.EXT
@@ -272,7 +272,7 @@ types are given.
 
 rb_ary_aref(argc, VALUE *argv, VALUE ary) ::
 
-  Equivaelent to Array#[].
+  Equivalent to Array#[].
 
 rb_ary_entry(VALUE ary, long offset) ::