Minor markup fixes we didn't discover until pushing, sigh.

.github/CONTRIBUTING.md

@@ -40,7 +40,8 @@ Before making any submission to the iperf3 project (whether it be code
 or documentation), we urge you to consult the iperf3 license, in
 particular the section quoted below:
 
-```You are under no obligation whatsoever to provide any bug fixes, patches, or
+```
+You are under no obligation whatsoever to provide any bug fixes, patches, or
 upgrades to the features, functionality or performance of the source code
 ("Enhancements") to anyone; however, if you choose to make your Enhancements
 available either publicly, or directly to Lawrence Berkeley National

.github/ISSUE_TEMPLATE.md

@@ -6,7 +6,7 @@ question sites such as Stack Overflow (http://www.stackoverflow.com/)._
 
 # Context
 
-* Version of iperf:
+* Version of iperf3:
 
 * Hardware:
 

.github/PULL_REQUEST_TEMPLATE.md

@@ -2,7 +2,8 @@ _PLEASE NOTE the following text from the iperf3 license.  Submitting a
 pull request to the iperf3 repository constitutes "[making]
 Enhancements available...publicly":_
 
-```You are under no obligation whatsoever to provide any bug fixes, patches, or
+```
+You are under no obligation whatsoever to provide any bug fixes, patches, or
 upgrades to the features, functionality or performance of the source code
 ("Enhancements") to anyone; however, if you choose to make your Enhancements
 available either publicly, or directly to Lawrence Berkeley National