Added documentation for 'gll' git alias.
diff --git a/aliases/git.aliases.bash b/aliases/git.aliases.bash
index 4cd1be0..45d7d05 100644
--- a/aliases/git.aliases.bash
+++ b/aliases/git.aliases.bash
@@ -68,5 +68,6 @@
   echo "  gdel    = git branch -D"
   echo "  gpo     = git push origin"
   echo "  gmu     = git fetch origin -v; git fetch upstream -v; git merge upstream/master"
+  echo "  gll     = git log --graph --pretty=oneline --abbrev-commit"
   echo
 }