kbuild: fix comment in Makefile.modinst

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

scripts/Makefile.modinst

@@ -31,6 +31,6 @@ $(modules):
 
 
 # Declare the contents of the .PHONY variable as phony.  We keep that
-# information in a variable se we can use it in if_changed and friends.
+# information in a variable so we can use it in if_changed and friends.
 
 .PHONY: $(PHONY)