Update autobuild and analysis path error messages.

src/analysis-paths.ts

@@ -53,6 +53,6 @@ export function includeAndExcludeAnalysisPaths(config: configUtils.Config, langu
         config.pathsIgnore.length !== 0 ||
         filters.length !== 0) &&
       !languages.every(isInterpretedLanguage)) {
-    core.warning('The "paths"/"paths-ignore" fields of the config only have effect for Javascript and Python');
+    core.warning('The "paths"/"paths-ignore" fields of the configuration only effect Javascript and Python analysis. [Learn more](https://docs.github.com/en/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#specifying-directories-to-scan) about modifying the directories to scan. );
   }
 }

src/autobuild.ts

@@ -35,7 +35,7 @@ async function run() {
     core.endGroup();
 
   } catch (error) {
-    core.setFailed("We were unable to automatically build your code. Please replace the call to the autobuild action with your custom build steps.  " + error.message);
+    core.setFailed(`We were unable to automatically build your ${language} code. Please replace the call to the autobuild action with your custom build steps.  \n` + error.message);
     await util.reportActionFailed('autobuild', error.message, error.stack);
     return;
   }

src/setup-tracer.ts

@@ -148,7 +148,7 @@ async function run() {
     // If the languages parameter was not given and no languages were
     // detected then fail here as this is a workflow configuration error.
     if (languages.length === 0) {
-      throw new Error("Did not detect any languages to analyze. Please update input in workflow.");
+      throw new Error("Did not detect any languages to analyze. Please [update the languages property](https://docs.github.com/en/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#overriding-automatic-language-detection) in your workflow definition.");
     }
 
     analysisPaths.includeAndExcludeAnalysisPaths(config, languages);
@@ -243,6 +243,6 @@ async function run() {
 }
 
 run().catch(e => {
-  core.setFailed("init action failed: " + e);
+  core.setFailed("Init action failed: " + e);
   console.log(e);
 });