diff --git a/sites/shared/i18n/flag/en.yaml b/sites/shared/i18n/flag/en.yaml
index 6fb308290a7..98dcfdb5cd5 100644
--- a/sites/shared/i18n/flag/en.yaml
+++ b/sites/shared/i18n/flag/en.yaml
@@ -15,4 +15,5 @@ increase: Increase
 show: Show
 saIncluded: (This includes seam allowance)
 saExcluded: (This does not include seam allowance)
+saUnused: (This part does not require any seam allowance)
 partHiddenByExpand: This part is not shown because the **expand** core setting is currently disabled. Enable it to show this pattern part.