diff --git a/data/fields/line_arrangement.json b/data/fields/line_arrangement.json
index 3257bac7..deac80f8 100644
--- a/data/fields/line_arrangement.json
+++ b/data/fields/line_arrangement.json
@@ -6,7 +6,7 @@
             "horizontal": "Horizontal",
             "semi_horizontal": "Semi Horizontal",
             "vertical": "Vertical",
-            "semi_vertical": "semi-vertical",
+            "semi_vertical": "Semi Vertical",
             "square": "Square",
             "triangular": "Triangular (scalene)",
             "delta": "Triangular (isosceles)",