- add note about strict ordering
diff --git a/shell/ash.c b/shell/ash.c
index 1c5742b..35d58b5 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -1312,6 +1312,7 @@
 #define IS_BUILTIN_REGULAR(builtincmd) ((builtincmd)->name[0] & 2)
 #define IS_BUILTIN_ASSIGN(builtincmd) ((builtincmd)->name[0] & 4)
 
+/* make sure to keep these in proper order since it is searched via bsearch() */
 static const struct builtincmd builtincmd[] = {
 	{ BUILTIN_SPEC_REG      ".", dotcmd },
 	{ BUILTIN_SPEC_REG      ":", truecmd },