diff --git a/roles/cael.nginx/templates/error_page.j2 b/roles/cael.nginx/templates/error_page.j2
index 7421a52..c5e9568 100644
--- a/roles/cael.nginx/templates/error_page.j2
+++ b/roles/cael.nginx/templates/error_page.j2
@@ -1,5 +1,6 @@
 <html>
 <head>
+<!-- {{ansible_managed}} -->
 <title>{{ item['title'] }}</title>
 <style type="text/css">
 h1 {
diff --git a/roles/cael.nginx/templates/nginx.j2 b/roles/cael.nginx/templates/nginx.j2
index 7daaaa3..cf56b80 100644
--- a/roles/cael.nginx/templates/nginx.j2
+++ b/roles/cael.nginx/templates/nginx.j2
@@ -1,3 +1,4 @@
+# {{ansible_managed}}
 user www-data;
 worker_processes 4;
 pid /run/nginx.pid;
diff --git a/roles/cael.nginx/templates/php.j2 b/roles/cael.nginx/templates/php.j2
index beb5993..eee174a 100644
--- a/roles/cael.nginx/templates/php.j2
+++ b/roles/cael.nginx/templates/php.j2
@@ -1,5 +1,6 @@
 ##
 # global php settings
+# {{ansible_managed}}
 ##
 
 #server {
diff --git a/roles/cael.nginx/templates/restrictions.j2 b/roles/cael.nginx/templates/restrictions.j2
index 39ce61e..d3b3e9b 100644
--- a/roles/cael.nginx/templates/restrictions.j2
+++ b/roles/cael.nginx/templates/restrictions.j2
@@ -1,3 +1,5 @@
+# {{ansible_managed}}
+
 # Global restrictions configuration file.
 # Designed to be included in any server {} block.
 location = /favicon.ico {
diff --git a/roles/cael.nginx/templates/vhosts.j2 b/roles/cael.nginx/templates/vhosts.j2
index d3a54f4..464ade8 100644
--- a/roles/cael.nginx/templates/vhosts.j2
+++ b/roles/cael.nginx/templates/vhosts.j2
@@ -1,5 +1,6 @@
 ###############################################################################
 ### {{ item['name'] }}
+### {{ansible_managed}}
 ###############################################################################
 
 server {
