address comments

lib/config-utils.test.js

@@ -183,7 +183,7 @@ ava_1.default("default queries are used", async (t) => {
         process.env['RUNNER_TEMP'] = tmpDir;
         process.env['GITHUB_WORKSPACE'] = tmpDir;
         // Check that the default behaviour is to add the default queries.
-        // In this case if a config file is specified by does not include
+        // In this case if a config file is specified but does not include
         // the disable-default-queries field.
         // We determine this by whether CodeQL.resolveQueries is called
         // with the correct arguments.
@@ -200,7 +200,9 @@ ava_1.default("default queries are used", async (t) => {
                 };
             },
         });
-        // Just create a generic config object with non-default values for all fields
+        // The important point of this config is that is doesn't specify
+        // the disable-default-queries field.
+        // Any other details are hopefully irrelevant for this tetst.
         const inputFileContents = `
       paths:
         - foo`;