diff --git a/jobs/HRB_Run_Automation/config.xml b/jobs/HRB_Run_Automation/config.xml
index 03c35a1cc9af642c060018a0ea13678ac19a2c21..03fc3b4d42389baef721db65bf3e66d870ec9ab3 100644
--- a/jobs/HRB_Run_Automation/config.xml
+++ b/jobs/HRB_Run_Automation/config.xml
@@ -11,7 +11,10 @@
       <parameterDefinitions>
         <hudson.model.StringParameterDefinition>
           <name>Branch_Variable</name>
-          <description></description>
+          <description>There are two branches, descript as below
+1. master  
+2. develop
+</description>
           <defaultValue>master</defaultValue>
           <trim>false</trim>
         </hudson.model.StringParameterDefinition>