diff --git a/config/default.yaml b/config/default.yaml
index 8a177e628..387acf43d 100644
--- a/config/default.yaml
+++ b/config/default.yaml
@@ -91,10 +91,10 @@ instance:
   customizations:
     javascript: '' # Directly your JavaScript code (without <script> tags). Will be eval at runtime
     css: '' # Directly your CSS code (without <style> tags). Will be injected at runtime
-  # Robot.txt rules. To allow robots to crawl your instance and allow indexation of your site, remove the '/'
+  # Robot.txt rules. To disallow robots to crawl your instance and disallow indexation of your site, add '/' to "Disallow:'
   robots: |
     User-agent: *
-    Disallow: /
+    Disallow: ''
 
 services:
   # Cards configuration to format video in Twitter
diff --git a/config/production.yaml.example b/config/production.yaml.example
index 51d5c5180..2f80beede 100644
--- a/config/production.yaml.example
+++ b/config/production.yaml.example
@@ -107,10 +107,10 @@ instance:
   customizations:
     javascript: '' # Directly your JavaScript code (without <script> tags). Will be eval at runtime
     css: '' # Directly your CSS code (without <style> tags). Will be injected at runtime
-  # Robot.txt rules. To allow robots to crawl your instance and allow indexation of your site, remove the '/'
+  # Robot.txt rules. To disallow robots to crawl your instance and disallow indexation of your site, add '/' to "Disallow:'
   robots: |
     User-agent: *
-    Disallow: /
+    Disallow: ''
 
 services:
   # Cards configuration to format video in Twitter