diff --git a/sources/tech/Daily Ubuntu Tips – Make Ubuntu 14.04 Trusty Tahr Perform Better.md b/sources/tech/Daily Ubuntu Tips--Make Ubuntu 14.04 Trusty Tahr Perform Better.md
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rename from sources/tech/Daily Ubuntu Tips – Make Ubuntu 14.04 Trusty Tahr Perform Better.md
rename to sources/tech/Daily Ubuntu Tips--Make Ubuntu 14.04 Trusty Tahr Perform Better.md