diff --git a/linux/linux-sendmail.md b/linux/linux-sendmail.md
index 26b4d0c..0d36bc2 100755
--- a/linux/linux-sendmail.md
+++ b/linux/linux-sendmail.md
@@ -13,7 +13,7 @@ apt install sendmail
   - change first line of `/etc/hosts` to:\
     `127.0.0.1 localhost.localdomain localhost backup`\
     ("backup" is the hostname. Get it with: $ hostname
-  - config\ 
+  - config\
     `sudo sendmailconfig # answer "Y" to everything`
 
 ## custom "from: " address