Diff of Services/Matrix at ccab2d6

diff --git a/services/matrix.myco b/services/matrix.myco
index 99b4f4a..f5140c8 100644
--- a/services/matrix.myco
+++ b/services/matrix.myco
@@ -75,2 +75,9 @@ application or phone application.
 
+### Troubleshooting
+
+#### Disk is full because of large rooms
+something we've had to do in the past was reclaim the disk by dropping synapse and purging old rooms
+steps we took for that:
+https://etherpad.bke.ro/p/baikal
+
 ### Bots 🤖