diff --git a/nav2_smac_planner/README.md b/nav2_smac_planner/README.md
index c96df8da178..f9261cca91a 100644
--- a/nav2_smac_planner/README.md
+++ b/nav2_smac_planner/README.md
@@ -131,7 +131,7 @@ planner_server:
         max_iterations: 1000
         w_smooth: 0.3
         w_data: 0.2
-        tolerance: 1e-10
+        tolerance: 1.0e-10
         do_refinement: true               # Whether to recursively run the smoother 3 times on the results from prior runs to refine the results further
 ```