diff --git a/Makefile.in b/Makefile.in
index 20678a73f33..e69998e3e52 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -375,7 +375,7 @@ lib lib-src lisp nt: Makefile FRC
 # is not wrong, but is overkill in 99.99% of the cases.
 #
 # Note the use of single quotes in the value of vcswitness.
-# This passes an unexpanded $scrdir to src's Makefile, which then
+# This passes an unexpanded $srcdir to src's Makefile, which then
 # expands it using its own value of srcdir (which points to the
 # source directory of src/).
 src: Makefile FRC