diff --git a/Readme.md b/Readme.md
index 0967ea3..3c6b459 100644
--- a/Readme.md
+++ b/Readme.md
@@ -4,8 +4,18 @@ This simple docker image can be used to convert a .mbox file (for example from a
 I used it for archive purposes, wanted to store my old gmail emails.
 Nothing fancy, but usefull for those who dont want to use online converters nor mess with python directly.
 
+NOTE: In my case, a 9GB .mbox file of a Gmail mail account took around 4-5 hours because the preperation of the html files takes in this in-efficient way some time. But it gets there eventually ;)
+
 ## Usage:
 
+If you just want to use the prebuild package, its available for arm64 and amd64 arch.
+
+```
+docker run --rm -v ./mbox-files:/mnt/input -v ./output/:/mnt/output git.nucleolus.xyz/fblume/mbox-to-markdown:latest
+```
+
+## Build yourself
+
 ```
 docker build -t mbox-to-markdown .