diff --git a/docs/_static/img/backup/cron.PNG2 b/docs/_static/img/backup/cron.png
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rename from docs/_static/img/backup/cron.PNG2
rename to docs/_static/img/backup/cron.png
diff --git a/docs/_static/img/backup/dockerignore.PNG2 b/docs/_static/img/backup/dockerignore.png
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rename from docs/_static/img/backup/dockerignore.PNG2
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diff --git a/docs/_static/img/backup/includebackups.PNG2 b/docs/_static/img/backup/includebackups.png
similarity index 100%
rename from docs/_static/img/backup/includebackups.PNG2
rename to docs/_static/img/backup/includebackups.png