Update context menu label

Author: niels9001

hub/powertoys/index.md

@@ -121,7 +121,7 @@ The currently available utilities include:
         [![File Locksmith screenshot.](../images/powertoys-file-locksmith.png)](file-locksmith.md)
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-        [File Locksmith](file-locksmith.md) is a Windows shell extension to check which files are in use and by which processes. Right-click on one or more selected files in File Explorer, and then select **What's using this file?**.
+        [File Locksmith](file-locksmith.md) is a Windows shell extension to check which files are in use and by which processes. Right-click on one or more selected files in File Explorer, and then select **Unlock with File Locksmith**.
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