diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 796596a..1429acd 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -7129,7 +7129,7 @@
 
             const ssize_t availableToRead = mPipeSource->availableToRead();
             if (availableToRead >= 0) {
-                // PipeSource is the master clock.  It is up to the AudioRecord client to keep up.
+                // PipeSource is the primary clock.  It is up to the AudioRecord client to keep up.
                 LOG_ALWAYS_FATAL_IF((size_t)availableToRead > mPipeFramesP2,
                         "more frames to read than fifo size, %zd > %zu",
                         availableToRead, mPipeFramesP2);