diff --git a/README.md b/README.md
index fea03e1..9c466de 100644
--- a/README.md
+++ b/README.md
@@ -17,13 +17,15 @@ If the bot gets stuck, press ESC to restart it.
 
 ### Advanced use case
 
-You can build a specific tag of [Wohnungsbot](https://github.com/neopostmodern/wohnungsbot) by using the following syntax. The data is generally automatically persisted in a docker volume, but that volume can also be named.
+You can build a specific tag of [Wohnungsbot](https://github.com/neopostmodern/wohnungsbot) by using the following syntax. The data is generally automatically persisted in an unnamed docker volume, but that volume can also be named.
 
 ```
 docker build -t wohnungsbot --build-arg WB_VERSION=1.4.0 https://github.com/Wyrrrd/docker-wohnungsbot.git
 docker run -td -p 6080:6080 -v wohnungsbot_data:/data wohnungsbot
 ```
 
+If you are limiting the available memory for your containers, 500m should be enough. It is a GUI application after all.
+
 ## Credits
 
 * [Wohnungsbot](https://github.com/neopostmodern/wohnungsbot)