diff --git a/src/Console/Command/BuildConfigurationCommand.php b/src/Console/Command/BuildConfigurationCommand.php
index afc5de7..4d83e9b 100644
--- a/src/Console/Command/BuildConfigurationCommand.php
+++ b/src/Console/Command/BuildConfigurationCommand.php
@@ -117,6 +117,8 @@ final class BuildConfigurationCommand extends Command
             $this->filesToGenerate->push(['drupal-project/phpunit.xml.dist', 'phpunit.xml.dist']);
         }
 
+        $configurationData['managedText'] = 'Do not edit this file. It is automatically generated by \'build-configs\'.';
+
         $this->generateFiles($configurationData);
 
         return Command::SUCCESS;
diff --git a/templates/Dockerfile.twig b/templates/Dockerfile.twig
index 3b20ad6..90964a3 100644
--- a/templates/Dockerfile.twig
+++ b/templates/Dockerfile.twig
@@ -1,3 +1,5 @@
+# {{ managedText | raw }}
+
 FROM php:{{ php.version }} AS base
 
 COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
diff --git a/templates/docker-compose.yaml.twig b/templates/docker-compose.yaml.twig
index d83f224..df8eeb3 100644
--- a/templates/docker-compose.yaml.twig
+++ b/templates/docker-compose.yaml.twig
@@ -1,3 +1,5 @@
+# {{ managedText | raw }}
+
 x-app: &default-app
   volumes:
     - "${DOCKER_WEB_VOLUME:-./{{ drupal.docroot }}:/app/{{ drupal.docroot }}}"
diff --git a/templates/drupal-project/phpunit.xml.dist.twig b/templates/drupal-project/phpunit.xml.dist.twig
index 4f3a158..e93d134 100644
--- a/templates/drupal-project/phpunit.xml.dist.twig
+++ b/templates/drupal-project/phpunit.xml.dist.twig
@@ -1,5 +1,5 @@
+<!-- {{ managedText | raw }} -->
 <?xml version="1.0" encoding="UTF-8"?>
-
 <phpunit
   beStrictAboutChangesToGlobalState="true"
   beStrictAboutOutputDuringTests="true"
diff --git a/templates/env.example.twig b/templates/env.example.twig
index 85872cc..cfdb8c9 100644
--- a/templates/env.example.twig
+++ b/templates/env.example.twig
@@ -1,3 +1,5 @@
+# {{ managedText | raw }}
+
 export DOCKER_UID=1000
 
 {% if dockerCompose %}
diff --git a/templates/justfile.twig b/templates/justfile.twig
index 9f1c390..59111e7 100644
--- a/templates/justfile.twig
+++ b/templates/justfile.twig
@@ -1,3 +1,5 @@
+# {{ managedText | raw }}
+
 default:
   @just --list
 
diff --git a/templates/php/docker-entrypoint-php.twig b/templates/php/docker-entrypoint-php.twig
index 564778b..a377d80 100755
--- a/templates/php/docker-entrypoint-php.twig
+++ b/templates/php/docker-entrypoint-php.twig
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+# {{ managedText | raw }}
+
 [[ -f composer.json && ! -d vendor ]] && composer install
 
 eval "$@"
diff --git a/templates/php/phpcs.xml.twig b/templates/php/phpcs.xml.twig
index ec86f35..d4be090 100644
--- a/templates/php/phpcs.xml.twig
+++ b/templates/php/phpcs.xml.twig
@@ -1,3 +1,4 @@
+<!-- {{ managedText | raw }} -->
 <?xml version="1.0"?>
 <ruleset name="{{ name }} coding standards">
    <description>PHPCS configuration file for {{ name }}.</description>
diff --git a/templates/php/phpstan.neon.twig b/templates/php/phpstan.neon.twig
index 303bd69..2d2fc9f 100644
--- a/templates/php/phpstan.neon.twig
+++ b/templates/php/phpstan.neon.twig
@@ -1,3 +1,5 @@
+# {{ managedText | raw }}
+
 parameters:
   level: {{ php.phpstan.level }}
   paths:
diff --git a/templates/php/phpunit.xml.twig b/templates/php/phpunit.xml.twig
index de47e44..3a3da89 100644
--- a/templates/php/phpunit.xml.twig
+++ b/templates/php/phpunit.xml.twig
@@ -1,3 +1,4 @@
+<!-- {{ managedText | raw }} -->
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.5/phpunit.xsd"
diff --git a/templates/web/caddy/Caddyfile.twig b/templates/web/caddy/Caddyfile.twig
index 83e378a..c6026d8 100644
--- a/templates/web/caddy/Caddyfile.twig
+++ b/templates/web/caddy/Caddyfile.twig
@@ -1,3 +1,5 @@
+# {{ managedText | raw }}
+
 :80
 root * /app/{{ drupal.docroot }}
 file_server
diff --git a/templates/web/nginx/default.conf.twig b/templates/web/nginx/default.conf.twig
index 5b0024e..205cba5 100644
--- a/templates/web/nginx/default.conf.twig
+++ b/templates/web/nginx/default.conf.twig
@@ -1,3 +1,5 @@
+# {{ managedText | raw }}
+
 server {
   server_name _;