Fix typo

.gitlab-ci.yml

@@ -3,7 +3,7 @@
 # Git-LFS is mostly transparent for the user and recent versions
 # are able to use Git-LFS quite efficiently.
 # But Git fails to manage efficiently numerous LFS data.
-# We have to use directly git-lfs wrappring commands to have an
+# We have to use directly git-lfs wrapping commands to have an
 # efficient cloning step.
 # Furthermore, Git-LFS and Gitlab sufer a bug preventing usage of 
 # GIT_STRATEGY=fetch (https://gitlab.com/gitlab-org/gitlab-runner/issues/3318)