diff --git a/src/c/triangles.c b/src/c/triangles.c
index d18cb59..bde1ac3 100644
--- a/src/c/triangles.c
+++ b/src/c/triangles.c
@@ -33,7 +33,8 @@ static void right_triangle_layer_update_proc(Layer *layer, GContext *ctx) {
 
 	// circle theta angle
 	graphics_context_set_stroke_color(ctx, GColorRed);
-	graphics_draw_circle(ctx, GPoint(tri->theta_angle_is_left ? start_x : end_x, base_y), 4);
+	graphics_context_set_stroke_width(ctx, 2);
+	graphics_draw_circle(ctx, GPoint(tri->theta_angle_is_left ? start_x : end_x, base_y), 5);
 }
 
 RightTriangleLayer *right_triangle_layer_create(GRect frame, GColor color) {