Improve docs

Readme.md

@@ -2,13 +2,15 @@
 
 Tools to import/export TOSCA definitions in YAML from/to ETSI Specifications in Docx format.
 
-Currently supports ETSI GS NFV-SOL 001.
+Currently supports ETSI GS NFV-SOL 001 (versions from 2.4.1 to 3.3.1).
 
-This tool is provided as-is, no guarantees are applicable on the correctnes of the output.
+This tool is provided as-is, no guarantees are applicable on the correctness of the output.
 Use at your own risk.
 
 ## Create `env` file
 
+The `env` file is used for environment settings.
+
    cp env_example env
    $EDITOR env # Customize SECRET
 
@@ -22,7 +24,12 @@ Run the container with
 
     docker run -d -t -p 5000:5000 tosca-ie-sample
 
-## Run locally
+### Relaunch utility
+
+A simple tool is provided to rebuild, kill and relaunch the container in a deployment. See `relaunch.sh`.
+
+
+## Run web app locally
 
 Install prerequisites