diff --git a/inc/fdb_def.h b/inc/fdb_def.h
index e2db04a..54cb221 100644
--- a/inc/fdb_def.h
+++ b/inc/fdb_def.h
@@ -61,12 +61,12 @@ if (!(EXPR))                                                                  \
     while (1);                                                                \
 }
 
-#define FDB_KVDB_CTRL_SET_SEC_SIZE     0x0             /**< get sector size control command */
+#define FDB_KVDB_CTRL_SET_SEC_SIZE     0x0             /**< set sector size control command */
 #define FDB_KVDB_CTRL_GET_SEC_SIZE     0x1             /**< get sector size control command */
 #define FDB_KVDB_CTRL_SET_LOCK         0x2             /**< set lock function control command */
 #define FDB_KVDB_CTRL_SET_UNLOCK       0x3             /**< set unlock function control command */
 
-#define FDB_TSDB_CTRL_SET_SEC_SIZE     0x0             /**< get sector size control command */
+#define FDB_TSDB_CTRL_SET_SEC_SIZE     0x0             /**< set sector size control command */
 #define FDB_TSDB_CTRL_GET_SEC_SIZE     0x1             /**< get sector size control command */
 #define FDB_TSDB_CTRL_SET_LOCK         0x2             /**< set lock function control command */
 #define FDB_TSDB_CTRL_SET_UNLOCK       0x3             /**< set unlock function control command */