Updated SC2317 (markdown)

SC2317.md

@@ -39,7 +39,7 @@ ShellCheck may incorrectly believe that code is unreachable if it's invoked by v
 
 Note in particular that since unreachable commands may come in clusters, it's useful to use ShellCheck's filewide or functionwide ignore directives. A `disable` directive before a function ignores the entire function:
 
-```
+```sh
 #!/bin/bash
 ...
 # shellcheck disable=SC2317  # Don't warn about unreachable commands in this function
@@ -52,7 +52,7 @@ exit 0
 ```
 
 A disable directive after the shebang, before any commands, will ignore the entire file:
-```
+```sh
 #!/bin/bash
 # Test script #1
 # shellcheck disable=SC2317  # Don't warn about unreachable commands in this file