diff --git a/src/layout-lck.h b/src/layout-lck.h
index accf79a9..5c8022f4 100644
--- a/src/layout-lck.h
+++ b/src/layout-lck.h
@@ -186,7 +186,7 @@ typedef struct reader_slot {
 /* The header for the reader table (a memory-mapped lock file). */
 typedef struct shared_lck {
   /* Stamp identifying this as an MDBX file.
-   * It must be set to MDBX_MAGIC with with MDBX_LOCK_VERSION. */
+   * It must be set to MDBX_MAGIC with MDBX_LOCK_VERSION. */
   uint64_t magic_and_version;
 
   /* Format of this lock file. Must be set to MDBX_LOCK_FORMAT. */