diff --git a/sh/code.awk b/sh/code.awk
index b722bec..6499931 100644
--- a/sh/code.awk
+++ b/sh/code.awk
@@ -77,9 +77,9 @@ BEGIN {
         if (match($0, RE_ALIAS, m)) {
             append(m[1])
         } else if (match($0, RE_FUNCTION, m)) {
-            n = split(doc, array, "\n")
-            for (i = 1; i<= n; i++) {
-                print array[i] " " m[1]
+            split(doc, array, "\n")
+            for (item in array) {
+                print item " " m[1]
             }
             reset()
         } else {
@@ -89,9 +89,9 @@ BEGIN {
         if (match($0, RE_COMMAND, m)) {
             append(m[1])
         } else if (match($0, RE_FUNCTION, m)) {
-            n = split(doc, array, "\n")
-            for (i = 1; i<= n; i++) {
-                print array[i] " " m[1]
+            split(doc, array, "\n")
+            for (item in array) {
+                print item " " m[1]
             }
             reset()
         } else {