diff --git a/doc/openapi/components/schemas/config/hooks/pmu_dft.yaml b/doc/openapi/components/schemas/config/hooks/pmu_dft.yaml
index 80619b07a..7dc5af849 100644
--- a/doc/openapi/components/schemas/config/hooks/pmu_dft.yaml
+++ b/doc/openapi/components/schemas/config/hooks/pmu_dft.yaml
@@ -105,5 +105,4 @@ allOf:
       type: number
       default: 0.0
       example: 1.0
-      description: An offset added to the calculated RoCoF.
-      description: "The offset for a calculated rocof. This setting does not really make sense but is available for completeness reasons"
+      description: An offset added to the calculated RoCoF. This setting does not really make sense but is available for completeness reasons"