diff --git a/README.md b/README.md
index 3bba524..e47d0e4 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ Commento allows you to foster discussion on your website – if you have a blog,
 
 ## Screenshots
 
-![](./doc/screenshots/example.jpg)
+![](./doc/screenshots/Screenshot.png)
 
 ## Disclaimers / important information
 
diff --git a/README_fr.md b/README_fr.md
index 37522ab..f479c02 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -28,7 +28,7 @@ Commento allows you to foster discussion on your website – if you have a blog,
 
 ## Captures d'écran
 
-![](./doc/screenshots/example.jpg)
+![](./doc/screenshots/Screenshot.png)
 
 ## Avertissements / informations importantes
 
diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
index aded581..e69de29 100644
--- a/doc/DISCLAIMER.md
+++ b/doc/DISCLAIMER.md
@@ -1,12 +0,0 @@
-* Any known limitations, constrains or stuff not working, such as (but not limited to):
-    * requiring a full dedicated domain ?
-    * architectures not supported ?
-    * not-working single-sign on or LDAP integration ?
-    * the app requires an important amount of RAM / disk / .. to install or to work properly
-    * etc...
-
-* Other infos that people should be aware of, such as:
-    * any specific step to perform after installing (such as manually finishing the install, specific admin credentials, ...)
-    * how to configure / administrate the application if it ain't obvious
-    * upgrade process / specificities / things to be aware of ?
-    * security considerations ?
diff --git a/doc/screenshots/Screenshot.png b/doc/screenshots/Screenshot.png
new file mode 100644
index 0000000..39c1603
Binary files /dev/null and b/doc/screenshots/Screenshot.png differ
diff --git a/doc/screenshots/example.jpg b/doc/screenshots/example.jpg
deleted file mode 100644
index a1efa1a..0000000
Binary files a/doc/screenshots/example.jpg and /dev/null differ
diff --git a/scripts/upgrade b/scripts/upgrade
index 9422b5c..9938695 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -21,6 +21,7 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 admin=$(ynh_app_setting_get --app=$app --key=admin)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+port=$(ynh_app_setting_get --app=$app --key=port)
 
 #=================================================
 # CHECK VERSION