diff --git a/app-android/app/src/main/java/at/bitfire/gfxtablet/CanvasView.java b/app-android/app/src/main/java/at/bitfire/gfxtablet/CanvasView.java
index e4d8823..ad68071 100644
--- a/app-android/app/src/main/java/at/bitfire/gfxtablet/CanvasView.java
+++ b/app-android/app/src/main/java/at/bitfire/gfxtablet/CanvasView.java
@@ -63,7 +63,7 @@ public class CanvasView extends View {
 					short nx = normalizeX(event.getX(ptr)),
 						  ny = normalizeY(event.getY(ptr)),
 						  npressure = normalizePressure(event.getPressure(ptr));
-					Log.v(TAG, String.format("Touch event logged: %f|%f, pressure %f", event.getX(ptr), event.getY(ptr), event.getPressure(ptr)));
+					Log.v(TAG, String.format("Touch event logged: action %d @ %f|%f (pressure %f)", event.getActionMasked(), event.getX(ptr), event.getY(ptr), event.getPressure(ptr)));
 					switch (event.getActionMasked()) {
 					case MotionEvent.ACTION_MOVE:
 						netClient.getQueue().add(new NetEvent(Type.TYPE_MOTION, nx, ny, npressure));
diff --git a/doc/protocol.txt b/doc/protocol.txt
index 9c039cd..cd1b6c6 100644
--- a/doc/protocol.txt
+++ b/doc/protocol.txt
@@ -22,6 +22,6 @@ Packet structure, uses network byte order (big endian):
   when type == button event:
   1  byte     number of button, starting with 0
   1  byte     button status:
-                0 button is down
-                1 button is up
+                0 button is released ("up")
+                1 button is pressed ("down")