Add a clarification when an override file is used/created

Change-Id: I337e5ff6bfe286b1b7b79b0c2d9f7a0ccc1af560
diff --git a/developer/troubleshooting.rst b/developer/troubleshooting.rst
index b9eb96d..b1d748d 100644
--- a/developer/troubleshooting.rst
+++ b/developer/troubleshooting.rst
@@ -261,9 +261,11 @@
 this change permanent by creating an override file::
 
     sudo nano /etc/sysctl.d/90-override.conf
-    fs.inotify.max_user_instances=1280
-    fs.inotify.max_user_watches=10485760
+        fs.inotify.max_user_instances=1280
+        fs.inotify.max_user_watches=10485760
+    sudo sysctl --system
 
+The last command is to load the changes without having to reboot the machine
 
 Data plane is not working
 ^^^^^^^^^^^^^^^^^^^^^^^^^