diff --git a/src/postprocessor/core/reshapers/bud_metric.py b/src/postprocessor/core/reshapers/bud_metric.py
index bad8e4e96168d029eb539d81a052cc740098474a..803b126f99beef6d700911d46c6184141970f0f9 100644
--- a/src/postprocessor/core/reshapers/bud_metric.py
+++ b/src/postprocessor/core/reshapers/bud_metric.py
@@ -19,7 +19,7 @@ class BudMetricParameters(LineageProcessParameters):
 
 class BudMetric(LineageProcess):
     """
-    Create a dataframe with indices mother IDs and values from buds.
+    Create a data frame with indices mother IDs and values from buds.
 
     Requires mother-bud information.
     """