diff --git a/cmds/statsd/src/StatsService.cpp b/cmds/statsd/src/StatsService.cpp
index 0a4e412..791fb14 100644
--- a/cmds/statsd/src/StatsService.cpp
+++ b/cmds/statsd/src/StatsService.cpp
@@ -571,8 +571,8 @@
             good = true;
         } else {
             fprintf(out,
-                    "Selecting a UID for writing Appbreadcrumb can only be dumped for other UIDs on eng"
-                            " or userdebug builds.\n");
+                    "Selecting a UID for writing AppBreadcrumb can only be done for other UIDs "
+                            "on eng or userdebug builds.\n");
         }
     }
     if (good) {
diff --git a/cmds/statsd/src/StatsService.h b/cmds/statsd/src/StatsService.h
index fd65869..9690de7 100644
--- a/cmds/statsd/src/StatsService.h
+++ b/cmds/statsd/src/StatsService.h
@@ -193,8 +193,8 @@
     status_t cmd_write_data_to_disk(FILE* out);
 
     /**
-     * Write an AppBreadcrumbReported event to the StatsLog buffer, as though StatsLog.write
-     * (APP_BREADCRUMB_REPORTED).
+     * Write an AppBreadcrumbReported event to the StatsLog buffer, as if calling
+     * StatsLog.write(APP_BREADCRUMB_REPORTED).
      */
     status_t cmd_log_app_breadcrumb(FILE* out, const Vector<String8>& args);
 
diff --git a/cmds/statsd/src/atoms.proto b/cmds/statsd/src/atoms.proto
index 1224504..85e209b 100644
--- a/cmds/statsd/src/atoms.proto
+++ b/cmds/statsd/src/atoms.proto
@@ -1471,7 +1471,7 @@
  */
 message CpuActiveTime {
     optional uint64 uid = 1;
-    optional uint32 cluster_number =2;
+    optional uint32 cluster_number = 2;
     optional uint64 idx = 3;
     optional uint64 time_millis = 4;
 }
diff --git a/cmds/statsd/src/metrics/MetricsManager.cpp b/cmds/statsd/src/metrics/MetricsManager.cpp
index ddc05c6..e75b710 100644
--- a/cmds/statsd/src/metrics/MetricsManager.cpp
+++ b/cmds/statsd/src/metrics/MetricsManager.cpp
@@ -190,8 +190,9 @@
         return;
     }
 
-    if (event.GetTagId() == android::util::APP_BREADCRUMB_REPORTED) { // Check that app hook fields are valid.
-        // TODO: Find a way to make these checks easier to maintain if the app hooks get changed.
+    if (event.GetTagId() == android::util::APP_BREADCRUMB_REPORTED) {
+        // Check that app breadcrumb reported fields are valid.
+        // TODO: Find a way to make these checks easier to maintain.
         status_t err = NO_ERROR;
 
         // Uid is 3rd from last field and must match the caller's uid,