update issue template

Author: nwhitmont

.github/issue_template.md

@@ -1,12 +1,12 @@
 <!-- Do you have a question? Please ask it on http://stackoverflow.com/questions/tagged/botframework -->
 
 ## System Information (Required)
-* SDK Language: <NODE OR .NET/C#?>
+* SDK Language: <NODE OR .NET/C#>
 * SDK Version: <SDK VERSION>
 * Development Environment: <LOCALHOST, AZURE_BOT_SERVICE, AZURE_APP_SERVICE, OTHER>
 
 ## Issue Description
-<DESCRIBE YOUR ISSUE/QUESTION/FEATURE REQUEST HERE>
+<DESCRIBE YOUR ISSUE, QUESTION, OR FEATURE REQUEST HERE>
 
 ## Code Example
 <PASTE COMPLETE CODE EXAMPLE THAT REPRODUCES THE ISSUE HERE>