diff --git a/doc/img/Icons/dxfen.png b/doc/img/Icons/dxfEN.png similarity index 100% rename from doc/img/Icons/dxfen.png rename to doc/img/Icons/dxfEN.png diff --git a/doc/img/Icons/dxfes.png b/doc/img/Icons/dxfES.png similarity index 100% rename from doc/img/Icons/dxfes.png rename to doc/img/Icons/dxfES.png diff --git a/doc/img/Icons/dxffr.png b/doc/img/Icons/dxfFR.png similarity index 100% rename from doc/img/Icons/dxffr.png rename to doc/img/Icons/dxfFR.png diff --git a/doc/img/Icons/dxfit.png b/doc/img/Icons/dxfIT.png similarity index 100% rename from doc/img/Icons/dxfit.png rename to doc/img/Icons/dxfIT.png