Added a space between the # and the (

Author: agisilaos

.github/pull_request_template.md

@@ -2,7 +2,7 @@
 
 - [ ] Next, briefly describe your proposal in the title.
 
-- [ ] Fixes: # (type an issue number after the # if applicable)
+- [ ] Fixes: #  (type an issue number after the # if applicable)
 
 Finally, tell us more about the change here, in the description.