diff --git a/Doc/c-api/module.rst b/Doc/c-api/module.rst
index e2ba157b32c7d9..ffada605eb34eb 100644
--- a/Doc/c-api/module.rst
+++ b/Doc/c-api/module.rst
@@ -451,7 +451,7 @@ state:
 
    On success, return ``0``. On error, raise an exception and return ``-1``.
 
-   Return ``NULL`` if *value* is ``NULL``. It must be called with an exception
+   Return ``-1`` if *value* is ``NULL``. It must be called with an exception
    raised in this case.
 
    Example usage::