diff --git a/use-case-6.md b/use-case-6.md
index dc96ae8..7617ccd 100644
--- a/use-case-6.md
+++ b/use-case-6.md
@@ -1,4 +1,4 @@
-Use Case 6: Use case 6: Wymiana kasetki
+Use Case 6: Wymiana kasetki
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