1 files changed, 4 insertions, 0 deletions

diff --git a/README b/README
index d18df54ec9..39cdd57e76 100644
--- a/README
+++ b/README
@@ -3494,6 +3494,10 @@ FIT uImage format:
 		without a fastmap.
 		default: 0
 
+		CONFIG_MTD_UBI_FM_DEBUG
+		Enable UBI fastmap debug
+		default: 0
+
 - UBIFS support
 		CONFIG_CMD_UBIFS