diff --git a/Doc/c-api/buffer.rst b/Doc/c-api/buffer.rst
index f9e0421..d2e0b7e 100644
--- a/Doc/c-api/buffer.rst
+++ b/Doc/c-api/buffer.rst
@@ -253,9 +253,9 @@
       +------------------------------+---------------------------------------------------+
 
 
-.. cfunction:: void PyBuffer_Release(PyObject *obj, Py_buffer *view)
+.. cfunction:: void PyBuffer_Release(Py_buffer *view)
 
-   Release the buffer *view* over *obj*.  This should be called when the buffer
+   Release the buffer *view*.  This should be called when the buffer
    is no longer being used as it may free memory from it.