diff --git a/doc/POST_INSTALL.md b/doc/POST_INSTALL.md
new file mode 100644
index 0000000..074585b
--- /dev/null
+++ b/doc/POST_INSTALL.md
@@ -0,0 +1,6 @@
+If you want to enable Matrix notification, you should look at
+the instructions inside `__FINAL_PATH__lib/chat_notify.sh` to deploy matrix-commander.
+
+You may also want to tweak the `__FINAL_PATH__/config.py` file to run test with a different branch or architecture.
+
+When you're ready to start the CI, restart its service via the webadmin or run `systemctl restart __APP__`.
diff --git a/doc/PRE_INSTALL.md b/doc/PRE_INSTALL.md
new file mode 100644
index 0000000..65be331
--- /dev/null
+++ b/doc/PRE_INSTALL.md
@@ -0,0 +1,2 @@
+YunoRunner will install LXD, for containers management.
+Make sure your system has virtualization capability, and enough resources.
diff --git a/manifest.json b/manifest.json
index 7f1e2f7..37af0ce 100644
--- a/manifest.json
+++ b/manifest.json
@@ -53,7 +53,7 @@
                 "choices": ["auto", "manual"],
                 "default": "manual",
                 "ask": {
-                    "en": "Should the jobs be automatically run from the apps list?"
+                    "en": "Should the jobs be automatically run from the apps list? In manual mode, Yunorunner will expect to be triggered by the `ciclic` command or webhooks (like ci-apps-dev). In auto mode, all apps of the catalog will be scheduled to be tested at least once a month and upon any change in their designated main branch (like ci-apps)."
                 }
             },
             {
@@ -62,7 +62,7 @@
                 "choices": ["cluster", "no"],
                 "default": "no",
                 "ask": {
-                    "en": "Should an LXD cluster be created with this server as first node?"
+                    "en": "Should an LXD cluster be created with this server as first node? (cluster mode is experimental)"
                 }
             }
         ]
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 201a0fe..0ea18f3 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -121,22 +121,6 @@ function add_cron_jobs() {
 EOF
 }
 
-# =========================
-#  Main stuff
-# =========================
-
-# Add permission to the user for the entire yunorunner home because it'll be the one running the tests (as a non-root user)
-chown -R $ci_user $YUNORUNNER_HOME
-
-echo "Done!"
-echo " "
-echo "N.B. : If you want to enable Matrix notification, you should look at "
-echo "the instructions inside lib/chat_notify.sh to deploy matrix-commander"
-echo ""
-echo "You may also want to tweak the 'config' file to run test with a different branch / arch"
-echo ""
-echo "When you're ready to start the CI, run:    systemctl restart $ci_user"
-
 #=================================================
 # EXPERIMENTAL HELPERS
 #=================================================