diff --git a/README.md b/README.md
index 3f5cec3..1a3b98f 100755
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ If you want to create an app that displays the content of a remote website
 2. open the `MyWebViewClient.java` file and replace `example.com` on line **14** with your custom hostname
 
 	```java
-	if (Objects.requireNonNull(Uri.parse(url).getHost()).endsWith("example.com")) {
+	if (Objects.requireNonNull(Uri.parse(url).getHost()).endsWith(".example.com")) {
 	```
 
 ### Using a local source
diff --git a/app/src/main/java/com/example/app/MyWebViewClient.java b/app/src/main/java/com/example/app/MyWebViewClient.java
index 9e4ccc6..d4a7f7d 100755
--- a/app/src/main/java/com/example/app/MyWebViewClient.java
+++ b/app/src/main/java/com/example/app/MyWebViewClient.java
@@ -11,7 +11,7 @@ class MyWebViewClient extends WebViewClient {
     @Override
     public boolean shouldOverrideUrlLoading(WebView view, String url) {
         Uri uri = Uri.parse(url);
-        if (uri.getHost() != null && uri.getHost().contains("example.com")) {
+        if (uri.getHost() != null && uri.getHost().endsWith(".example.com")) {
             return false;
         }