1 files changed, 2 insertions, 1 deletions
diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c
index f502c45a70..a8fe149c4a 100644
--- a/block/dirty-bitmap.c
+++ b/block/dirty-bitmap.c
@@ -43,7 +43,8 @@ struct BdrvDirtyBitmap {
     BdrvDirtyBitmap *successor; /* Anonymous child; implies frozen status */
     char *name;                 /* Optional non-empty unique ID */
     int64_t size;               /* Size of the bitmap (Number of sectors) */
-    bool disabled;              /* Bitmap is read-only */
+    bool disabled;              /* Bitmap is disabled. It ignores all writes to
+                                   the device */
     int active_iterators;       /* How many iterators are active */
     QLIST_ENTRY(BdrvDirtyBitmap) list;
 };