diff --git a/bin/as.sh b/bin/as.sh
index 8a57cb5c4..c868e7e06 100755
--- a/bin/as.sh
+++ b/bin/as.sh
@@ -184,7 +184,7 @@ case "$(uname -s)" in
     *)          OS_TYPE="UNKNOWN"
 esac
 
-# check curl/grep/awk/telent/unzip command
+# check curl/grep/awk/telnet/unzip command
 if ! [ -x "$(command -v curl)" ]; then
   echo 'Error: curl is not installed. Try to use java -jar arthas-boot.jar' >&2
   exit 1