diff --git a/conf/.env.example b/conf/.env.example
index b7c1110..938defe 100644
--- a/conf/.env.example
+++ b/conf/.env.example
@@ -6,6 +6,11 @@
 # NOTE: If any of your values contain a space or a hash you will need to
 # wrap the entire value in quotes. (eg. MAIL_FROM_NAME="BookStack Mailer")
 
+# Enable debug mode
+# Shows advanced debug information and errors.
+# CAN EXPOSE OTHER VARIABLES, LEAVE DISABLED
+APP_DEBUG=false
+
 # Application key
 APP_KEY=SomeRandomString
 
@@ -67,3 +72,7 @@ SESSION_DRIVER=redis
 
 # Example of using a single local Redis server
 REDIS_SERVERS=127.0.0.1:6379:__REDIS_DB__
+
+# Storage system to use
+# Can be 'local', 'local_secure' or 's3'
+STORAGE_TYPE=local