diff --git a/tools/README.md b/tools/README.md
index 32ac185..ce1092d 100644
--- a/tools/README.md
+++ b/tools/README.md
@@ -30,7 +30,7 @@ Usage: `nuke-file [OPTION]... [FILE]`
 Prevents a file from being uploaded in the future and marks the existing copy for removal.
 
 This tool accepts three options:
- - `-r`/`--reason`: Required!!! Reason for denying the file. Currently supports `copyright`, `rules` and `other`.
+ - `-r`/`--reason=REASON`: Required!!! Reason for denying the file. Currently supports `copyright`, `rules` and `other`.
  - `-h`/`--hash`: Treat the provided ID as a SHA256 hash, can be hex, URI-safe base64 or raw if you're feeling feisty.
  - `-s`/`--base62`: Interpret provided ID as a base62 number.
  - `-u`/`--upload`: Interpret provided ID as an upload ID instead of a file ID.