diff --git a/skills/productivity/powerpoint/scripts/office/schemas/ecma/fouth-edition/opc-digSig.xsd b/skills/productivity/powerpoint/scripts/office/schemas/ecma/fourth-edition/opc-digSig.xsd
similarity index 100%
rename from skills/productivity/powerpoint/scripts/office/schemas/ecma/fouth-edition/opc-digSig.xsd
rename to skills/productivity/powerpoint/scripts/office/schemas/ecma/fourth-edition/opc-digSig.xsd