update StackRox Scanner vuln source link rendering

Author: RTann

modules/con-vuln-sources.adoc

@@ -24,7 +24,7 @@ StackRox Scanner uses the following vulnerability sources:
 ====
 This product uses the NVD API but is not endorsed or certified by the NVD.
 ====
-* link:https://github.com/stackrox/scanner/blob/master/ext/vulnsrc/manual/manual.go and link:https://github.com/stackrox/scanner/blob/master/pkg/vulnloader/nvdloader/manual.go: The upstream StackRox project maintains a set of vulnerabilities that might not be discovered due to data formatting from other sources or absence of data.
+* link:https://github.com/stackrox/scanner/blob/master/ext/vulnsrc/manual/manual.go[Linux manual entries] and link:https://github.com/stackrox/scanner/blob/master/pkg/vulnloader/nvdloader/manual.go[NVD manual entries]: The upstream StackRox project maintains a set of vulnerabilities that might not be discovered due to data formatting from other sources or absence of data.
 * link:https://security.access.redhat.com/data/metrics/repository-to-cpe.json[repository-to-cpe.json]: Maps RPM repositories to their related CPEs, which is required for matching vulnerabilities for RHEL-based images.
 
 [id="scanner-v4-vuln-sources"]