Improved discussion of LICENSE_DEPENDENCIES.md in CONTRIBUTING.md (sy…

…labs#1393)

* Update CONTRIBUTING.md

* fixed markdownlint issue

* Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -65,9 +65,10 @@ all your interactions with the project members and users.
    - Backwards incompatible changes
    - New features / functionalities
 1. PRs which introduce a new Go dependency to the project via `go get` and
-   additions to `go.mod` should explain why the dependency is required. Any
-   new dependency should be added to the `LICENSE_DEPENDENCIES.md` by
-   running `scripts/update-license-dependencies.md`.
+   additions to `go.mod` should explain why the dependency is required.
+1. Any new or updated dependency should be reflected in
+   `LICENSE_DEPENDENCIES.md`, by running
+   `scripts/update-license-dependencies.sh`
 
 ## Documentation