diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index db75312..cadea69 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -865,26 +865,12 @@
     /*
      * H/W composer
      */
-
-    // The current hardware composer interface.
-    //
-    // The following thread safety rules apply when accessing mHwc, either
-    // directly or via getHwComposer():
-    //
-    // 1. When recreating mHwc, acquire mStateLock. Recreating mHwc must only be
-    //    done on the main thread.
-    //
-    // 2. When accessing mHwc on the main thread, it's not necessary to acquire
-    //    mStateLock.
-    //
-    // 3. When accessing mHwc on a thread other than the main thread, we always
+    // The following thread safety rules apply when accessing HWComposer:
+    // 1. When reading display state from HWComposer on the main thread, it's not necessary to
+    //    acquire mStateLock.
+    // 2. When accessing HWComposer on a thread other than the main thread, we always
     //    need to acquire mStateLock. This is because the main thread could be
-    //    in the process of destroying the current mHwc instance.
-    //
-    // The above thread safety rules only apply to SurfaceFlinger.cpp. In
-    // SurfaceFlinger_hwc1.cpp we create mHwc at surface flinger init and never
-    // destroy it, so it's always safe to access mHwc from any thread without
-    // acquiring mStateLock.
+    //    in the process of writing display state, e.g. creating or destroying a display.
     HWComposer& getHwComposer() const;
 
     /*