diff --git a/README.md b/README.md
index 37b37b4..30aba7b 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ The whole goal with this library is to create something that can both read and w
 ## Roadmap
 - [x] Automatically detect the archive format
 - [x] Add mutexes to work with concurrency
-- [ ] Support RAR format
+- [ ] Support RAR format (will be read-only)
 - [ ] Support zstd format
 - [ ] Add writing capability
 - [ ] Support multithreaded gzip