fix link

Author: stehessel

README.md

@@ -13,7 +13,7 @@ This is a GitHub action for installing `roxctl` on Github Action runners. `roxct
 - [Usage](#usage)
   - [Scan images in CI pipeline](#scan-images-in-ci-pipelines)
   - [Check images in CI pipeline](#check-images-in-ci-pipelines)
-  - [Download roxctl from mirror.openshift.com](#download-roxctl-from-mirror-openshift-com)
+  - [Download roxctl from mirror.openshift.com](#download-roxctl-from-mirroropenshiftcom)
   - [GitHub code scanning](#github-code-scanning)
 
 ## Parameters
@@ -159,7 +159,7 @@ jobs:
 
 ### Download roxctl from mirror.openshift.com
 
-See `roxctl image scan`](https://docs.openshift.com/acs/4.4/cli/command-reference/roxctl-image.html#roxctl-image-scan_roxctl-image)
+See [`roxctl image scan`](https://docs.openshift.com/acs/4.4/cli/command-reference/roxctl-image.html#roxctl-image-scan_roxctl-image)
 for the full parameter list.
 
 ```yaml