diff --git a/spe10model1/SPE10_MODEL1.DATA b/spe10model1/SPE10_MODEL1.DATA
index dd367a6..d0b2e2f 100644
--- a/spe10model1/SPE10_MODEL1.DATA
+++ b/spe10model1/SPE10_MODEL1.DATA
@@ -61,7 +61,7 @@ START
 
 --      =================================================
 ------- In this section, the geometry of the simulation 
-------- grid and the rock perøeabilities, porosities are
+------- grid and the rock permeabilities, porosities are
 ------- defined.
 --      =================================================
 GRID
diff --git a/spe10model1/SPE10_MODEL1_CP.DATA b/spe10model1/SPE10_MODEL1_CP.DATA
index 4d9fa70..1c8fe79 100644
--- a/spe10model1/SPE10_MODEL1_CP.DATA
+++ b/spe10model1/SPE10_MODEL1_CP.DATA
@@ -58,7 +58,7 @@ START
 
 --      =================================================
 ------- In this section, the geometry of the simulation 
-------- grid and the rock perøeabilities, porosities are
+------- grid and the rock permeabilities, porosities are
 ------- defined.
 --      =================================================
 GRID