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-rw-r--r--app/helpers/graph_helper.rb4
1 files changed, 2 insertions, 2 deletions
diff --git a/app/helpers/graph_helper.rb b/app/helpers/graph_helper.rb
index 7cb1b6f8d1a..e1dda20de85 100644
--- a/app/helpers/graph_helper.rb
+++ b/app/helpers/graph_helper.rb
@@ -1,10 +1,10 @@
module GraphHelper
def get_refs(repo, commit)
refs = ""
- refs += commit.ref_names(repo).join(" ")
+ refs << commit.ref_names(repo).join(' ')
# append note count
- refs += "[#{@graph.notes[commit.id]}]" if @graph.notes[commit.id] > 0
+ refs << "[#{@graph.notes[commit.id]}]" if @graph.notes[commit.id] > 0
refs
end