diff --git a/PMMA/Validation_Results/EDF/README.md b/PMMA/Validation_Results/EDF/README.md
index 5211b8e..a233b60 100644
--- a/PMMA/Validation_Results/EDF/README.md
+++ b/PMMA/Validation_Results/EDF/README.md
@@ -44,7 +44,7 @@ Comments:
 ### Boundary conditions
 Imposed heat flux on the top surface : qe = 25 or 50 kW/m²
 Insulated for the back surface
-Comments: The insulation material is not needed for Gpyro. the adiabatic condition could be set directly bu the code.
+Comments: The insulation material is not needed for Gpyro. The adiabatic condition could be set directly by the code.
 
 
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