diff --git a/app/helpers/graph_helper.rb b/app/helpers/graph_helper.rb
index f7e17f5cc01..6d303ba857d 100644
--- a/app/helpers/graph_helper.rb
+++ b/app/helpers/graph_helper.rb
@@ -8,7 +8,7 @@ module GraphHelper
 
     # append note count
     notes_count = @graph.notes[commit.id]
-    refs << "[#{notes_count} #{pluralize(notes_count, 'note')}]" if notes_count > 0
+    refs << "[#{pluralize(notes_count, 'note')}]" if notes_count > 0
 
     refs
   end
diff --git a/changelogs/unreleased/patch-24.yml b/changelogs/unreleased/patch-24.yml
new file mode 100644
index 00000000000..a670eb3ab56
--- /dev/null
+++ b/changelogs/unreleased/patch-24.yml
@@ -0,0 +1,5 @@
+---
+title: Fix graph notes number duplication.
+merge_request: 15696
+author: Vladislav Kaverin
+type: fixed