diff --git a/doc/examples/plot_rag_draw.py b/doc/examples/plot_rag_draw.py
index abf2ba08..0c1e1abc 100644
--- a/doc/examples/plot_rag_draw.py
+++ b/doc/examples/plot_rag_draw.py
@@ -1,5 +1,5 @@
 """
-=====================================
+======================================
 Drawing Region Adjacency Graphs (RAGs)
 ======================================