diff --git a/README.md b/README.md
index b3234c0c..50fb50fb 100644
--- a/README.md
+++ b/README.md
@@ -78,10 +78,12 @@ fn main() {
     #[cfg(debug_assertions)] // only enable instrumentation in development builds
     let devtools = tauri_plugin_devtools::init();
 
-    let builder = tauri::Builder::default();
+    let mut builder = tauri::Builder::default();
 
     #[cfg(debug_assertions)]
-    let builder = builder.plugin(devtools);
+    {
+        builder = builder.plugin(devtools);
+    }
 
     builder
         .run(tauri::generate_context!())
diff --git a/crates/devtools/README.md b/crates/devtools/README.md
index 68710c91..ec2bd22a 100644
--- a/crates/devtools/README.md
+++ b/crates/devtools/README.md
@@ -21,10 +21,12 @@ fn main() {
     #[cfg(debug_assertions)] // only enable instrumentation in development builds
     let devtools = tauri_plugin_devtools::init();
 
-    let builder = tauri::Builder::default();
+    let mut builder = tauri::Builder::default();
 
     #[cfg(debug_assertions)]
-    let builder = builder.plugin(devtools);
+    {
+        builder = builder.plugin(devtools);
+    }
 
     builder
         .run(tauri::generate_context!())
diff --git a/crates/v1/crates/devtools/README.md b/crates/v1/crates/devtools/README.md
index 3ba882a6..d988ef0a 100644
--- a/crates/v1/crates/devtools/README.md
+++ b/crates/v1/crates/devtools/README.md
@@ -21,10 +21,12 @@ fn main() {
     #[cfg(debug_assertions)] // only enable instrumentation in development builds
     let devtools = devtools::init();
 
-    let builder = tauri::Builder::default();
+    let mut builder = tauri::Builder::default();
 
     #[cfg(debug_assertions)]
-    let builder = builder.plugin(devtools);
+    {
+        builder = builder.plugin(devtools);
+    }
 
     builder
         .run(tauri::generate_context!())