docs: Update strong documentation

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>
2018-10-25 11:14:25 -03:00 · 2018-10-25 11:14:25 -03:00 · a85ba0eec7
commit a85ba0eec7
--- a/docs/definitions.md
+++ b/docs/definitions.md
@ -221,10 +221,12 @@ results in

 ```
 **bold text**
+__bold text__
 ```
 results in
 ```html
 <strong>bold text</strong>
+<strong>bold text</strong>
 ```

 ## emphasized