minor formatting fix ** Attention **

en/07.4.md

@@ -144,7 +144,7 @@ If you need to check for conditions in templates, you can use the `if-else` synt
 
 As you can see, it's easy to use `if-else` in templates.
 
-** Attention ** You CANNOT use conditional expressions in if, for instance `.Mail=="astaxie@gmail.com"`. Only boolean values are acceptable.
+**Attention** You CANNOT use conditional expressions in if, for instance `.Mail=="astaxie@gmail.com"`. Only boolean values are acceptable.
 
 ### pipelines