Fix comment

src/apptask.js

@@ -739,7 +739,7 @@ function migrateDataDir(app, oldDataDir, progressCallback, callback) {
     });
 }
 
-// note that configure is called after an infra update as well
+// configure is only called for an infra update
 function configure(app, oldConfig, progressCallback, callback) {
     assert.strictEqual(typeof app, 'object');
     assert.strictEqual(typeof oldConfig, 'object');