--- a/src/primitives.cpp	Sat Mar 24 16:12:08 2018 +0200
+++ b/src/primitives.cpp	Sat Mar 24 16:33:23 2018 +0200
@@ -434,7 +434,7 @@
 	}
 
 	// Compose some general information: prefix, fraction, root, ring number
-	QString prefix = (divisions == LowResolution) ? "" : format ("%1/", divisions);
+	QString prefix = (divisions == MediumResolution) ? "" : format ("%1\\", divisions);
 	QString frac = format ("%1-%2", numerator, denominator);
 	static const char* roots[] = {"edge", "cyli", "disc", "ndis", "ring", "con"};
 	QString root = roots[type];