diff --git a/Doc/c-api/memory.rst b/Doc/c-api/memory.rst
index a82e1c2..7908622 100644
--- a/Doc/c-api/memory.rst
+++ b/Doc/c-api/memory.rst
@@ -272,7 +272,7 @@
      :c:func:`PyObject_Free`
 
    Newly allocated memory is filled with the byte ``0xCB``, freed memory is
-   filled with the byte ``0xDB``. Additionnal checks:
+   filled with the byte ``0xDB``. Additional checks:
 
    - detect API violations, ex: :c:func:`PyObject_Free` called on a buffer
      allocated by :c:func:`PyMem_Malloc`