diff --git a/docker/PYROS_DOCKER_UPDATE b/docker/PYROS_DOCKER_UPDATE
index bdb4b57..fb76496 100755
--- a/docker/PYROS_DOCKER_UPDATE
+++ b/docker/PYROS_DOCKER_UPDATE
@@ -1,8 +1,17 @@
 #!/usr/bin/env bash
 
 # In docker/ folder
-root_folder=$(pwd 2>&1)
+docker_folder=$(pwd 2>&1)
 
+# PRE-CONDITION : pyros container must be running
+# If no container is running Start it
+if ! [ $(docker ps | grep 'pyros' | wc -l) -eq 4 ] ; then
+    echo "pyros-db or pyros weren't running, starting them..."
+    ./PYROS_DOCKER_START
+    #./PYROS_DOCKER_START.bat
+fi
+
+# Main function git pull & rebuild if necessary
 already_uptodate="Déjà à jour."
 check_files=("docker-compose.yml" "Dockerfile" "install/requirements.in" "install/requirements.txt" "doc_rst/requirements.in" "doc_rst/requirements.txt")
 check_files="${check_files[@]}"
@@ -20,7 +29,6 @@ function git_pull {
     echo $gitpull_output
     # test only
     #gitpull_output=$gitpull_output."Dockerfile "
-    #gitpull_output=$gitpull_output."doc_rst/requirements.txt "
     # Check if exists file changed that requires rebuild
     #for file in "${check_files[@]}"
     for f in $check_files ; do
@@ -30,10 +38,8 @@ function git_pull {
             echo "WARNING : One of docker related files ($f) has been changed. You should build again the PyROS Image before going on with the UPDATE..."
             echo "=> Build & start again the PyROS image ? ([y]/n)"
             read input ; [ -z ${input} ] && input="y"
-            #echo $answer
             [ $input != "y" ] && exit 1
-            #echo $root_folder
-            (cd $root_folder && ./PYROS_DOCKER_BUILD && ./PYROS_DOCKER_START)
+            (cd $docker_folder && ./PYROS_DOCKER_BUILD && ./PYROS_DOCKER_START)
             # BUILF only once !!!
             break
         fi
@@ -42,41 +48,22 @@ function git_pull {
 }
 
 
-# PRE-CONDITION : pyros container must be running
-# If no container is running Start it
-if ! [ $(docker ps | grep 'pyros' | wc -l) -eq 4 ] ; then
-    echo "pyros-db or pyros weren't running, starting them..."
-    ./PYROS_DOCKER_START
-    #./PYROS_DOCKER_START.bat
-fi
-
 # I - Update Guitastro
 echo
 echo "**********************************"
 echo "I - Updating Guitastro source code"
 echo "**********************************"
 echo
-# Go to GuitAstro/ folder
 git_pull ../vendor/guitastro/
-#check_files=("docker-compose.yml" "Dockerfile" "install/requirements.in")
-#git_pull ../vendor/guitastro/ ${check_files[@]}
 
 
 # II - Update PyROS
-#cd $root_folder
 echo
 echo "**********************************"
 echo "II - Updating PyROS source code"
 echo "**********************************"
 echo
-# Go to PYROS/ folder
 git_pull ../
-# Check if exists file changed that requires rebuild
-#check_files=("docker-compose.yml" "Dockerfile" "install/requirements.in")
-
-
-# TODO : test if git pull worked and if git pull changed dockerfile, requirements.in, docker-compose.yml
-# Tell user to rebuild
 
 
 # III - Update all observatories with git repo
@@ -91,10 +78,11 @@ for dir in * ; do
     if [ -d $dir/.git ] ; then 
         echo "Updating observatory $dir source code"
         git_pull $dir
-        #cd ../
     fi
 done
-cd ../PYROS/docker/
+#cd ../PYROS/docker/
+cd $docker_folder
+
 
 # IV - pyros.py update => update BD + doc
 echo
--
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