diff --git a/README.md b/README.md
index 2545905..5c7aca2 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,10 @@
 # Nginx L7 DDoS Protection! :boom: :zap:
 *(Please Read Whole Page, All Things Are Important Then If You Want You Can Use IT.)*
 
+During the installation maybe it can fail, please create one issue if it happen. The reason can be maybe if your system is 32bit only, because i have test this script only with 64bit. 
+
+Another reason can be missing packages from your repository. if so please for Ubuntu 14.04 change your repo to [THIS](https://raw.githubusercontent.com/theraw/raws/master/usr/local/raws/ubuntu/eu-repo) .
+
 # To-Do
 
 - [x] Support Ubuntu Trusty.