clean up comments

Bug: 79698458
Test: make framework-protos
Change-Id: Ifaac050f2e00912188e3fb999b308101e3b07bf0
diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index 95dc3ab..165528f 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -5296,11 +5296,11 @@
     // OS: P
     FIELD_DURATION_MILLIS = 1304;
 
-    // Battery level in uA (0 - ~3,000,000 depending on device) when the current "mode" started.
+    // Battery level in uAh (0 - ~3,000,000 depending on device) when the current "mode" started.
     // OS: P
     FIELD_START_BATTERY_UA = 1305;
 
-    // Battery level in uA (0 - ~3,000,000 depending on device) when this event was created.
+    // Battery level in uAh (0 - ~3,000,000 depending on device) when this event was created.
     // OS: P
     FIELD_END_BATTERY_UA = 1306;
 
@@ -5329,7 +5329,6 @@
     // OS: P
     FIELD_QS_MODE = 1311;
 
-
     // OPEN: Settings->Developer Options->Default USB
     // CATEGORY: SETTINGS
     // OS: P
@@ -5733,8 +5732,8 @@
     // OS: P
     FIELD_HIDDEN_API_SIGNATURE = 1394;
 
-    // This value should never appear in log outputs - it is reserved for
-    // internal platform metrics use.
+    // The number of items in the shade when this notification event was logged.
+    // OS: P
     NOTIFICATION_SHADE_COUNT = 1395;
 
     // ACTION: DND Settings > What to block