diff --git a/doc/automake.texi b/doc/automake.texi
index ecfbbc8..1c4c238 100644
@@ -8543,7 +8543,7 @@ note that the exact location and the exact structure of such a directory
(where the read-only sources are placed, how the temporary build and
install directories are named and how deeply they are nested, etc.) is
to be considered an implementation detail, which can change at any time;
-so do not reply on it.
+so do not rely on it.