diff --git a/docs/static/img/wikidata-schema.PNG b/docs/static/img/wikidata-schema.png similarity index 100% rename from docs/static/img/wikidata-schema.PNG rename to docs/static/img/wikidata-schema.png diff --git a/docs/static/img/wikidata-translated.PNG b/docs/static/img/wikidata-translated.png similarity index 100% rename from docs/static/img/wikidata-translated.PNG rename to docs/static/img/wikidata-translated.png