diff --git a/services/surfaceflinger/Scheduler/DispSync.cpp b/services/surfaceflinger/Scheduler/DispSync.cpp
index ff91bf7..46112f5 100644
--- a/services/surfaceflinger/Scheduler/DispSync.cpp
+++ b/services/surfaceflinger/Scheduler/DispSync.cpp
@@ -340,7 +340,7 @@
         return nextEventTime;
     }
 
-    // Sanity check that the duration is close enough in length to a period without
+    // Check that the duration is close enough in length to a period without
     // falling into double-rate vsyncs.
     bool isCloseToPeriod(nsecs_t duration) {
         // Ratio of 3/5 is arbitrary, but it must be greater than 1/2.
diff --git a/services/surfaceflinger/Scheduler/DispSync.h b/services/surfaceflinger/Scheduler/DispSync.h
index 832f08e..6fb5654 100644
--- a/services/surfaceflinger/Scheduler/DispSync.h
+++ b/services/surfaceflinger/Scheduler/DispSync.h
@@ -227,7 +227,7 @@
 
     // mZeroErrSamplesCount keeps track of how many times in a row there were
     // zero timestamps available in the mPresentFences array.
-    // Used to sanity check that we are able to calculate the model error.
+    // Used to check that we are able to calculate the model error.
     size_t mZeroErrSamplesCount;
 
     // Whether we have updated the vsync event model since the last resync.