diff --git a/applications/solvers/modules/multicomponentFluid/multicomponentFluid.H b/applications/solvers/modules/multicomponentFluid/multicomponentFluid.H
index e7b411bccb..af8fc1bf22 100644
--- a/applications/solvers/modules/multicomponentFluid/multicomponentFluid.H
+++ b/applications/solvers/modules/multicomponentFluid/multicomponentFluid.H
@@ -84,7 +84,7 @@ protected:
         fluidMulticomponentThermo& thermo;
 
 
-    // Compositon
+    // Composition
 
         basicSpecieMixture& composition;
         PtrList<volScalarField>& Y;