* lisp/simple.el (set-variable): Doc fix.

1 files changed, 4 insertions, 0 deletions

diff --git a/lisp/simple.el b/lisp/simple.el
index 0729d8c353e..5ee32d5a787 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -7314,6 +7314,10 @@ it were the arg to `interactive' (which see) to interactively read VALUE.
 If VARIABLE has been defined with `defcustom', then the type information
 in the definition is used to check that VALUE is valid.
 
+Note that this function is at heart equivalent to the basic `set' function.
+For a VARIABLE defined with `defcustom', it is not the same as using
+\\[customize-variable].
+
 With a prefix argument, set VARIABLE to VALUE buffer-locally."
   (interactive
    (let* ((default-var (variable-at-point))