diff --git a/doc/uml/useCase_granuralite_faible.dia b/doc/uml/use case/useCase_granuralite_faible.dia
similarity index 100%
rename from doc/uml/useCase_granuralite_faible.dia
rename to doc/uml/use case/useCase_granuralite_faible.dia
diff --git a/doc/uml/useCase_simple.dia b/doc/uml/use case/useCase_simple.dia
similarity index 100%
rename from doc/uml/useCase_simple.dia
rename to doc/uml/use case/useCase_simple.dia