diff --git a/src/apps/cli/README.md b/src/apps/cli/README.md
index 8569075..5f0d8ff 100644
--- a/src/apps/cli/README.md
+++ b/src/apps/cli/README.md
@@ -176,6 +176,10 @@ TODO: Conflict and resolution checks for real local databases.
 - `--immediate`: Perform sync after the command (e.g. `push`, `pull`, `put`, `rm`).
 - `serve`: Start CLI in server mode, exposing REST APIs for remote, and batch operations.
 - `cause-conflicted <vaultPath>`: Mark a file as conflicted without changing its content, to trigger conflict resolution in Obsidian.
+
+## Current Limitations and known issues
+- Binary files are not supported yet (it seems... but I haven't tested this yet).
+
 ## Use Cases
 
 ### 1. Bootstrap a new headless vault