1 files changed, 1 insertions, 1 deletions
diff --git a/render.cc b/render.cc
index 3bb07de..db891dd 100644
--- a/render.cc
+++ b/render.cc
@@ -152,7 +152,7 @@ CSGTerm *RenderNode::render_csg_term(double m[16], QVector<CSGTerm*> *highlights
 	}
 
 	if (!N.is_simple()) {
-		PRINTF("WARNING: Result of render() isn't a single polyhedron or otherwise invalid! Modify your design..");
+		PRINTF("WARNING: Result of render() isn't valid 2-manifold! Modify your design..");
 		return NULL;
 	}