(AzureCXP) fixes MicrosoftDocs/azure-docs#435838

Updated line number 137.

From: When users try to access a blocked application, they receive a message informing them that the application was by their organization. This message is customizable.

To: When users try to access a blocked application, they receive a message informing them that the application was blocked by their organization. This message is customizable.

Author: pratikjadhav13

defender-vulnerability-management/tvm-block-vuln-apps.md

@@ -134,7 +134,7 @@ After you've unblocked an application, refresh the page to see it removed from t
 
 ## Users experience for blocked applications
 
-When users try to access a blocked application, they receive a message informing them that the application was by their organization. This message is customizable.
+When users try to access a blocked application, they receive a message informing them that the application was blocked by their organization. This message is customizable.
 
 For applications where the warn mitigation option was applied, users receive a message informing them that the application was blocked by their organization. The user can bypass the block for subsequent launches, by choosing "Allow". This allow action is only temporary, and the application is blocked again after a while.