diff --git a/aliases/chmod.aliases.sh b/aliases/chmod.aliases.sh
index cfcae91..ed67453 100644
--- a/aliases/chmod.aliases.sh
+++ b/aliases/chmod.aliases.sh
@@ -3,7 +3,7 @@
 
 alias perm='stat --printf "%a %n \n "'      # perm: Show permission of target in number
 alias 000='chmod 000'                       # ---------- (nobody)
-alias 640='chmod 640'                       # -rw-r----- (user: rw, group: r, other: -)
+alias 640='chmod 640'                       # -rw-r----- (user: rw, group: r)
 alias 644='chmod 644'                       # -rw-r--r-- (user: rw, group: r, other: r)
 alias 755='chmod 755'                       # -rwxr-xr-x (user: rwx, group: rx, other: rx)
 alias 775='chmod 775'                       # -rwxrwxr-x (user: rwx, group: rwx, other: rx)