[ci skip] fix small "typo" in contributing

9bce2d8c · Vytor Calixto · e21ceda9 · 9bce2d8c
Commit 9bce2d8c authored 8 years ago by Vytor Calixto
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -37,7 +37,7 @@ Bugs are reported and tracked at [simcaq/SCRUM](https://gitlab.c3sl.ufpr.br/simc
  * :white_check_mark: `:white_check_mark:` when adding tests
  * :lock: `:lock:` when dealing with security
  * :arrow_up: `:arrow_up:` when upgrading dependencies
-  * :arrow_down: `arrow_down` when downgrading dependencies
+  * :arrow_down: `:arrow_down:` when downgrading dependencies

 ### JavaScript Styleguide