diff --git a/sh/main.sh b/sh/main.sh
index 63ca6bf..2798080 100755
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -59,18 +59,18 @@ rwx_main() {
 
 # source code from file path
 rwx_source() {
-	local path="${1}"
-	[ -d "${path}" ] ||
+	local root="${1}"
+	[ -d "${root}" ] ||
 		return 1
 	local count module
 	count=0
 	__rwx_log "" \
-		". ${path}"
+		". ${root}"
 	rwx_ifs_set
-	for module in $(rwx_find_shell "${path}" "${RWX_MAIN_NAME}"); do
+	for module in $(rwx_find_shell "${root}" "${RWX_MAIN_NAME}"); do
 		count=$((count + 1))
 		__rwx_log "$(printf "%02d" "${count}") ${module%.sh}"
-		module="${path}/${module}"
+		module="${root}/${module}"
 		# shellcheck disable=SC1090
 		. "${module}"
 	done