diff --git a/auth-next/index.js b/auth-next/index.js
index b741a6d7..04ac7d03 100644
--- a/auth-next/index.js
+++ b/auth-next/index.js
@@ -87,7 +87,7 @@ function setLanguageCode() {
   const auth = getAuth();
   auth.languageCode = 'it';
   // To apply the default browser preference instead of explicitly setting it.
-  // firebase.auth().useDeviceLanguage();
+  // auth.useDeviceLanguage();
   // [END auth_set_language_code]
 }
 
diff --git a/database-next/read-and-write.js b/database-next/read-and-write.js
index 4196c0d7..c06c66b4 100644
--- a/database-next/read-and-write.js
+++ b/database-next/read-and-write.js
@@ -44,7 +44,7 @@ function socialListenStarCount() {
   }
 
   // [START rtdb_social_listen_star_count]
-  const { getDatabase, ref, onValue} = require("firebase/database");
+  const { getDatabase, ref, onValue } = require("firebase/database");
 
   const db = getDatabase();
   const starCountRef = ref(db, 'posts/' + postId + '/starCount');
diff --git a/snippets/auth-next/index/auth_set_language_code.js b/snippets/auth-next/index/auth_set_language_code.js
index 47e78295..fe9a2025 100644
--- a/snippets/auth-next/index/auth_set_language_code.js
+++ b/snippets/auth-next/index/auth_set_language_code.js
@@ -10,5 +10,5 @@ import { getAuth } from "firebase/auth";
 const auth = getAuth();
 auth.languageCode = 'it';
 // To apply the default browser preference instead of explicitly setting it.
-// firebase.auth().useDeviceLanguage();
+// auth.useDeviceLanguage();
 // [END auth_set_language_code_modular]
\ No newline at end of file
diff --git a/snippets/database-next/read-and-write/rtdb_social_listen_star_count.js b/snippets/database-next/read-and-write/rtdb_social_listen_star_count.js
index ab520ce6..eb782894 100644
--- a/snippets/database-next/read-and-write/rtdb_social_listen_star_count.js
+++ b/snippets/database-next/read-and-write/rtdb_social_listen_star_count.js
@@ -5,7 +5,7 @@
 // 'npm run snippets'.
 
 // [START rtdb_social_listen_star_count_modular]
-import { getDatabase, ref, onValue} from "firebase/database";
+import { getDatabase, ref, onValue } from "firebase/database";
 
 const db = getDatabase();
 const starCountRef = ref(db, 'posts/' + postId + '/starCount');