diff --git a/home-manager/progs/opencode.nix b/home-manager/progs/opencode.nix
index cdff4a1..ebfde61 100644
--- a/home-manager/progs/opencode.nix
+++ b/home-manager/progs/opencode.nix
@@ -125,6 +125,8 @@ in
       Typical Flow
       1. Take screenshot → analyze with explore agent (get rough layout)
       2. Dump UI hierarchy → grep for exact element bounds
+         - NEVER ASSUME COORDINATES. You must ALWAYS check first.
+         - Do this before ANY tap action as elements on the screen may of changed.
       3. Calculate center coordinates from bounds
       4. Tap/interact
       5. Wait → screenshot → verify result