diff --git a/mediatracker/ReadMe.md b/mediatracker/ReadMe.md
index a22bbcd..c22379d 100644
--- a/mediatracker/ReadMe.md
+++ b/mediatracker/ReadMe.md
@@ -1,2 +1,4 @@
 # MediaTracker
 Based on [official instructions](https://github.com/bonukai/MediaTracker).
+
+**WARNING**: MediaTracker's official instructions about where it stores data must be wrong, because after a graceful restart, all of my data was deleted. :D