Fix comment to trigger the build

Author: bigmontz

testkit/Dockerfile

@@ -16,7 +16,7 @@ RUN npm install -g npm \
     && /bin/bash -c 'hash -d npm'
 RUN npm install -g gulp
 
-# Enable tls v1.0
+# Enabling tls v1.0
 RUN echo "openssl_conf = openssl_configuration\n"|cat - /etc/ssl/openssl.cnf > /tmp/openssl_conf.cnf \  
     && mv /tmp/openssl_conf.cnf /etc/ssl/openssl.cnf  
 RUN echo "[openssl_configuration]\n\