doc/md: update fmt doc (#516)

a8m · web-flow · commit ee1ec7abca13 · 2022-01-27T17:58:23.000+02:00
diff --git a/doc/md/cli.md b/doc/md/cli.md
@@ -125,7 +125,7 @@ Formats Atlas HCL files
 
 #### Usage
 ```
-atlas schema fmt [path]
+atlas schema fmt [path ...]
 ```
 
 #### Details
