diff --git a/shell/alias/chmod.sh b/shell/alias/chmod.sh
index c523a11..89b8bd7 100644
--- a/shell/alias/chmod.sh
+++ b/shell/alias/chmod.sh
@@ -1,11 +1,11 @@
-# change mode as directory
+# change mode to directory
 cmd() {
 	chmod \
 		"755" \
 		"${@}"
 }
 
-# change mode as file
+# change mode to file
 cmf() {
 	chmod \
 		"644" \
diff --git a/shell/alias/chown.sh b/shell/alias/chown.sh
index 5a51942..f7bbef9 100644
--- a/shell/alias/chown.sh
+++ b/shell/alias/chown.sh
@@ -1,11 +1,13 @@
-# change owner as root
-alias cor="\
-chown \
-\"0:0\" \
-"
+# change owner to root
+cor() {
+	chown \
+		"0:0" \
+		"${@}"
+}
 
-# change owner as user
-alias cou="\
-chown \
-\"1000:1000\" \
-"
+# change owner to user
+cou() {
+	chown \
+		"1000:1000" \
+		"${@}"
+}