diff --git a/stopwatch.sh b/stopwatch.sh
index 07275e1..8af5c81 100755
--- a/stopwatch.sh
+++ b/stopwatch.sh
@@ -1,11 +1,13 @@
 #!/bin/sh 
 # Simple stopwatch script that simply counts the elapsed time in seconds. 
-# I believe that I stole this code from somewhere many years ago and adapted it to my liking, but I unfortunately do not recall from where. 
 
 start=$(date +%s)
 
-while true; do
+stty -echo  # hide keyboard input 
+
+while [ true ]
+do
     time="$(($(date +%s) - $start))"
     printf '%s\r' "$(date -u -d "@$time" +%H:%M:%S)"
-    sleep 1s;
+    sleep 1s
 done