diff --git a/lfs.c b/lfs.c
index 6c517a42..a18752c4 100644
--- a/lfs.c
+++ b/lfs.c
@@ -13,8 +13,8 @@
 #error "LFS_NAME_MAX must be in the range (0, 1022]"
 #endif
 
-#if (LFS_FILE_MAX <= 0) || (LFS_FILE_MAX > 4294967296)
-#error "LFS_FILE_MAX must be in the range (0, 4294967296]"
+#if (LFS_FILE_MAX <= 0) || (LFS_FILE_MAX > 4294967295)
+#error "LFS_FILE_MAX must be in the range (0, 4294967295]"
 #endif
 
 #if (LFS_FILE_MAX > 2147483647)
diff --git a/lfs.h b/lfs.h
index 9eeab230..d7f61367 100644
--- a/lfs.h
+++ b/lfs.h
@@ -52,7 +52,7 @@ typedef uint32_t lfs_block_t;
 #endif
 
 // Maximum size of a file in bytes, may be redefined to limit to support other
-// drivers. Limited on disk to <= 4294967296. However, above 2147483647 the
+// drivers. Limited on disk to <= 4294967295. However, above 2147483647 the
 // functions lfs_file_seek, lfs_file_size, and lfs_file_tell will return
 // incorrect values due to using signed integers. Stored in superblock and
 // must be respected by other littlefs drivers.