diff --git a/docs/api.org b/docs/api.org
index 9c3f8e1c5..350249303 100644
--- a/docs/api.org
+++ b/docs/api.org
@@ -546,7 +546,7 @@ These are side-by-side comparisons, showing how to bind keys with and without
                     (fullscreen . ,fullscreen))))))
 
 (defun save-frame-dimensions ()
-  (doom-store-set 'last-frame-size
+  (doom-store-put 'last-frame-size
                   (list (frame-position)
                         (frame-width)
                         (frame-height)