Fix function name.
diff --git a/Doc/c-api/tuple.rst b/Doc/c-api/tuple.rst
index 1fcf5fc..5be46c4 100644
--- a/Doc/c-api/tuple.rst
+++ b/Doc/c-api/tuple.rst
@@ -117,7 +117,7 @@
       Removed unused third parameter, *last_is_sticky*.
 
 
-.. cfunction:: int PyMethod_ClearFreeList(void)
+.. cfunction:: int PyTuple_ClearFreeList(void)
 
    Clear the free list. Return the total number of freed items.