added a comment that --dir can point to a file
@@ -22,6 +22,8 @@ Multiple `--file` flags can be supplied.
#### dir
A path to a directory which `gnmic` would recursively traverse in search for the additional YANG files which may be required by YANG files specified with `--file` to build the YANG tree.
+Can also point to a single YANG file instead of a directory.
+
Multiple `--dir` flags can be supplied.
#### exclude
