diff --git a/libraries/liblmdb/lmdb.h b/libraries/liblmdb/lmdb.h
index 5b6ff6e..029945a 100644
--- a/libraries/liblmdb/lmdb.h
+++ b/libraries/liblmdb/lmdb.h
@@ -362,7 +362,7 @@ typedef enum MDB_cursor_op {
 #define MDB_PAGE_FULL	(-30786)
 	/** Database contents grew beyond environment mapsize */
 #define MDB_MAP_RESIZED	(-30785)
-	/** Operation is incompatible with database */
+	/** Database flags changed or would change */
 #define MDB_INCOMPATIBLE	(-30784)
 #define MDB_LAST_ERRCODE	MDB_INCOMPATIBLE
 /** @} */
diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index a6193c7..041acfa 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -1073,7 +1073,7 @@ static char *const mdb_errstr[] = {
 	"MDB_CURSOR_FULL: Internal error - cursor stack limit reached",
 	"MDB_PAGE_FULL: Internal error - page has no more space",
 	"MDB_MAP_RESIZED: Database contents grew beyond environment mapsize",
-	"MDB_INCOMPATIBLE: Operation is incompatible with database",
+	"MDB_INCOMPATIBLE: Database flags changed or would change",
 };
 
 char *