diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/multiRegionLiquidHeater/system/bottomWater/fvSolution b/tutorials/heatTransfer/chtMultiRegionFoam/multiRegionLiquidHeater/system/bottomWater/fvSolution
index 48dae067cb1f5d74b838ad535f602657994ef013..5004b930128306b2f5d0e559b3f5c53da0bddb38 100644
--- a/tutorials/heatTransfer/chtMultiRegionFoam/multiRegionLiquidHeater/system/bottomWater/fvSolution
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/multiRegionLiquidHeater/system/bottomWater/fvSolution
@@ -77,7 +77,7 @@ PIMPLE
 
 relaxationFactors
 {
-    "h.*            1;
+    "h.*"           1;
     "U.*"           1;
 }