diff --git a/spec.md b/spec.md
index f677e76..d0e165d 100644
--- a/spec.md
+++ b/spec.md
@@ -300,7 +300,7 @@ there are no arguments passed to the constructor. For example:
 new Foo();
 ```
 
-If class contains no additional declarations (such as an exception that exists only extend another exception with a new type),
+If class contains no additional declarations (such as an exception that exists only to extend another exception with a new type),
 then the body of the class SHOULD be abbreviated as `{}` and placed on the same line as the previous symbol,
 separated by a space. For example: