diff --git a/README.md b/README.md
index d12616a..0ac84b1 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,7 @@ To use this command-line application, you must be in a git project. Otherwise, a
   -o, --output <pdf|stdout|xlsx>  Specify the output given to the user
   -b, --branch <branch>           Specify the branch to filter by
   -t, --tag <tag>                 Specify the tag to filter by
+  -f, --file <file>               Specify a git directory
 ```
 
 Throw the `-h` flag for quick assistance. Throw the `--version` flag for version information.