diff --git a/launch.sh b/launch.sh
index db0cb5e..70f21d0 100755
--- a/launch.sh
+++ b/launch.sh
@@ -80,15 +80,24 @@ not_implemented() {
 }
 
 show_help() {
-  echo    "$PROGRAM [COMMAND]"
+  echo    "$PROGRAM COMMAND [arg ...]"
   echo -e "  Where ${green}COMMAND${reset} is one of:"
-  echo -e "   - create       Create postgreSQL database volume and postgreSQL Docker container"
-  echo -e "   - dev          Mount git repository directory as volume for Gissmo Docker container and launch it in 'development' mode"
-  echo -e "   - init         Create project directory as python virtual environment, fetch git repository and install Python dependancies"
-  echo -e "   - migrate      Launch migration command: python manage.py migrate"
-  echo -e "   - restore dump Restore the given dump"
-  echo -e "   - start args   Launch Gissmo Docker container (created by 'create' command) with a name given in GISSMO_DOCKER_NAME variable. args is optional."
-  echo -e "   - stop         Stop Gissmo Docker container which name is GISSMO_DOCKER_NAME variable content"
+  echo -e "   - create          Create postgreSQL database volume and \\
+                      postgreSQL Docker container"
+  echo -e "   - dev [arg ...]   Mount Git repository directory AS VOLUME \\
+                      for Gissmo Docker container and launch it in \\
+                      'development' mode"
+  echo -e "   - init            Create project directory as python virtual \\
+                      environment, fetch git repository and install \\
+                      Python dependancies"
+  echo -e "   - migrate         Launch migration command: \\
+                      python manage.py migrate"
+  echo -e "   - restore dump    Restore the given dump"
+  echo -e "   - start [arg ...] Launch Gissmo Docker container \\
+                      (created by 'create' command) with a name given \\
+                      in GISSMO_DOCKER_NAME variable. args is optional."
+  echo -e "   - stop            Stop Gissmo Docker container which name is \\
+                      GISSMO_DOCKER_NAME variable content"
   echo ""
   echo "For an example you can use it in this order:"
   echo ""
@@ -179,7 +188,7 @@ dev() {
   # Run existing Docker container, otherwise create a new one
   GISSMO_RUNNING=$($docker_cmd inspect --format="{{ .State.Running }}" ${GISSMO_DOCKER_NAME} 2> /dev/null)
   if [ $? -eq 1 ]; then
-    $docker_cmd run -it --rm --link ${POSTGRES_DOCKER_NAME}:db -p ${GISSMO_DOCKER_PORT}:8000 -v ${GISSMO_DIR}:/opt/gissmo --name ${GISSMO_DOCKER_NAME} gissmo:${GISSMO_VERSION} development || error_and_quit "Failed to create and launch ${GISSMO_DOCKER_NAME} container."
+    $docker_cmd run -it --rm --link ${POSTGRES_DOCKER_NAME}:db -p ${GISSMO_DOCKER_PORT}:8000 -v ${GISSMO_DIR}:/opt/gissmo --name ${GISSMO_DOCKER_NAME} gissmo:${GISSMO_VERSION} ${ARGS:='development'} || error_and_quit "Failed to create and launch ${GISSMO_DOCKER_NAME} container."
   else
     error_and_quit "${GISSMO_DOCKER_NAME} is already launched! If you need another name please set GISSMO_DOCKER_NAME in configuration file."
   fi