diff --git a/build.sh b/build.sh
index f4b2bb9..f9b1728 100755
--- a/build.sh
+++ b/build.sh
@@ -1,5 +1,12 @@
 #!/bin/bash
 
+
+txturl='\033[1;36m'
+txturl1='\033[0;36m'
+txtg='\033[0;32m'
+NOCOLOR='\033[0m'
+
+
 repoupdate ()
 {
     echo ""
@@ -22,22 +29,20 @@ usage ()
     echo ""
     echo " Examples of [OPTIONS] can be:"
     echo ""
-    echo "      network-scanning: This tutorial demonstrates some common nmap port scanning scenarios and explains the output. "
+    echo -e "      ${txtg}network-scanning:${NOCOLOR} This tutorial demonstrates some common nmap port scanning scenarios and explains the output. "
     echo ""
-    echo "      sensor-node: This tutorial demonstrates, howto create a mote with Raspberry Pi and Arduino & howto use it "
+    echo -e "      ${txtg}sensor-node:${NOCOLOR} This tutorial demonstrates, howto create a mote with Raspberry Pi and Arduino & howto use it "
     echo ""
-    echo "      help: show this message"
+    echo -e "      ${txtg}help:${NOCOLOR} show this message"
     echo "          ./build.sh help"
     echo ""
     echo "     ********************************************"
-    echo "     On Error:"
+    echo -e "     ${txturl1}On Error:${NOCOLOR}"
 
     echo "        Get https://hub.swarmlab.io:5480/v2/: x509: certificate"
-    echo "        Pulling …"
     echo "        ERROR: Get https://hub.swarmlab.io:5480/v2/: x509: certificate signed by unknown authority"
-    echo ""
-    echo "    run:" 
-    echo "        ./0-get-certs.sh "
+    echo -e "     ${txturl1}run:${NOCOLOR}" 
+    echo -e "        ${txtg}./0-get-certs.sh${NOCOLOR} "
     echo "     ********************************************"
     echo ""
     echo "  "