diff --git a/pep-0387.txt b/pep-0387.txt
index acac6cf59..538840bbd 100644
--- a/pep-0387.txt
+++ b/pep-0387.txt
@@ -28,9 +28,9 @@ very careful not to break this existing 3rd party code with new releases.
 Backwards Compatibility Rules
 =============================
 
-This policy applys to all public APIs.  These include the C-API, the standard
-library, and the core language including syntax and operation as defined by the
-reference manual.
+This policy applies to all public APIs.  These include the C-API, the
+standard library, and the core language including syntax and operation
+as defined by the reference manual.
 
 This is the basic policy for backwards compatibility: