Update Check-ubuntu.sh

Author: CodeMaster7000

Check-ubuntu.sh

@@ -1,12 +1,13 @@
 #!/usr/bin/env bash
 os_type="$(lsb_release -si 2>/dev/null)"
 if [ "$os_type" != "Ubuntu" ] && [ "$os_type" != "Debian" ]; then
- echoerr "Only supports Ubuntu/Debian"
+ echoerr "Only supports Ubuntu/Debian."
  exit 1
 fi
 if [ "$os_type" = "Ubuntu" ]; then
  os_ver="$(lsb_release -sr)"
  if [ "$os_ver" != "16.04" ] && [ "$os_ver" != "14.04" ] && [ "$os_ver" != "12.04" ]; then
- echoerr "Only supports Ubuntu 12.04/14.04/16.04"
+ echoerr "Only supports Ubuntu 12.04/14.04/16.04."
  exit 1
  fi
+fi