fix typo

Co-authored-by: Matthias Kuhn <matthias@opengis.ch>

src/core/featuremodel.cpp

@@ -805,7 +805,7 @@ bool FeatureModel::create()
             revisitRelation.first.referencingLayer()->commitChanges();
           }
 
-          // We need to update default values after creation to insure expression relying on relation children computer properly
+          // We need to update default values after creation to insure expression relying on relation children compute properly
           updateDefaultValues();
           save();
         }