diff --git a/graphs/graphs_floyd_warshall.py b/graphs/graphs_floyd_warshall.py
index c8d8315a2..9a5c88943 100644
--- a/graphs/graphs_floyd_warshall.py
+++ b/graphs/graphs_floyd_warshall.py
@@ -48,9 +48,9 @@ def floyd_warshall(graph, v):
     >>> dist, _ = floyd_warshall(graph, 3)
     The shortest path matrix using Floyd Warshall algorithm
     <BLANKLINE>
-    0   3   INF
-    2   0   INF
-    9   7   0
+    0	3	INF
+    2	0	INF
+    9	7	0
     >>> dist == expected
     True
     """