diff --git a/know-how/hardware/hp-50g/_posts/2017-03-19-battery-status.md b/know-how/hardware/hp-50g/_posts/2017-03-20-battery-status.md
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rename from know-how/hardware/hp-50g/_posts/2017-03-19-battery-status.md
rename to know-how/hardware/hp-50g/_posts/2017-03-20-battery-status.md