Update articles/sentinel/summary-rules.md

Author: batamig

articles/sentinel/summary-rules.md

@@ -259,7 +259,7 @@ This procedure describes a sample process for using summary rules with [auxiliar
 
     1. Deploy the following ARM template to your Microsoft Sentinel workspace to create a custom table with data collection rules (DCR) and a data collection endpoint (DCE).
     
-       [!Deploy to Azure](https://aka.ms/deploytoazurebutton)](https://portal.azure.com/#create/Microsoft.Template/uri/https://%3A%2F%2Faka.ms%2FDeployCEFresources)
+       [![Deploy to Azure](https://aka.ms/deploytoazurebutton)](https://portal.azure.com/#create/Microsoft.Template/uri/https://%3A%2F%2Faka.ms%2FDeployCEFresources)
 
 
     1. Note the following deatails from the ARM template output: