diff --git a/check_process b/check_process
index 1a5eefe..0d5791b 100644
--- a/check_process
+++ b/check_process
@@ -12,10 +12,14 @@
 		setup_private=1
 		setup_public=1
 		upgrade=1
-		#upgrade=1	from_commit=CommitHash
+		# 0.5.3ynh1
+		upgrade=1	from_commit=2292d0d68f5ba9e48f4cbb6105db64b4da4eba74
 		backup_restore=1
 		multi_instance=0
 		change_url=0
 ;;; Options
 Email=oufmilo@protonmail.com
 Notification=all
+;;; Upgrade options
+	; commit=2292d0d68f5ba9e48f4cbb6105db64b4da4eba74
+		name=0.5.3~ynh1
\ No newline at end of file
diff --git a/conf/app.src b/conf/app.src
index 4bc4e4d..153b1ed 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,7 +1,5 @@
 SOURCE_URL=https://github.com/bookwyrm-social/bookwyrm/archive/refs/tags/v0.5.4.tar.gz
-SOURCE_SUM=2dafdcf26de6c041611d16ed48b751cf8d4dfbee1f5cf4aa5975592bc080261d
+SOURCE_SUM=2DAFDCF26DE6C041611D16ED48B751CF8D4DFBEE1F5CF4AA5975592BC080261D
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
-SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
-SOURCE_EXTRACT=true
+SOURCE_IN_SUBDIR=true
\ No newline at end of file
diff --git a/scripts/install b/scripts/install
index 475c03c..fea807f 100755
--- a/scripts/install
+++ b/scripts/install
@@ -98,7 +98,7 @@ ynh_psql_setup_db --db_user=$db_user --db_name=$db_name
 ynh_script_progression --message="Setting up source files..." --weight=1
 
 ynh_app_setting_set --app=$app --key=final_path --value=$final_path
-
+# Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source --dest_dir="$final_path"
 
 chmod 750 "$final_path"
diff --git a/scripts/upgrade b/scripts/upgrade
index eb5a03b..ba5e74a 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -100,6 +100,7 @@ mkdir "$final_path/venv"
 python3 -m venv "$final_path/venv"
 $final_path/venv/bin/pip3 install -r "$final_path/requirements.txt"
 
+
 #=================================================
 # SET PERMISSIONS ON BOOKWYRM DIRECTORY
 #=================================================