*: always backquote stdin, stdout and stderr (#9584)

pages/common/uncrustify.md

@@ -7,7 +7,7 @@
 
 `uncrustify -f {{path/to/file.cpp}} -o {{path/to/output.cpp}}`
 
-- Read filenames from stdin, and take backups before writing output back to the original filepaths:
+- Read filenames from `stdin`, and take backups before writing output back to the original filepaths:
 
 `find . -name "*.cpp" | uncrustify -F - --replace`
 
@@ -15,7 +15,7 @@
 
 `find . -name "*.cpp" | uncrustify -F - --no-backup`
 
-- Use a custom configuration file and write the result to stdout:
+- Use a custom configuration file and write the result to `stdout`:
 
 `uncrustify -c {{path/to/uncrustify.cfg}} -f {{path/to/file.cpp}}`