Updated _Sidebar (markdown)

_Sidebar.md

@@ -42,7 +42,6 @@
 * [Android tips and tricks](https://github.com/koreader/koreader/wiki/Android-tips-and-tricks)
 
 # [Features](https://github.com/koreader/koreader/wiki/Features-list)
-* [Calibre wireless connection](https://github.com/koreader/koreader/wiki/Calibre-wireless-connection)
 * [Dictionary support](https://github.com/koreader/koreader/wiki/Dictionary-support)
 * [Highlight export](https://github.com/koreader/koreader/wiki/Highlight-export)
 * [OPDS-support](https://github.com/koreader/koreader/wiki/OPDS-support)
@@ -55,7 +54,7 @@
 * [Auto suspend](https://github.com/koreader/koreader/wiki/Auto-suspend)
 * [Background runner](https://github.com/koreader/koreader/wiki/Background-runner)
 * [Battery statistics](https://github.com/koreader/koreader/wiki/Battery-statistics)
-* [Calibre](https://github.com/koreader/koreader/wiki/Calibre-wireless-connection)
+* [Calibre](https://github.com/koreader/koreader/wiki/calibre)
 * [Cover browser](https://github.com/koreader/koreader/wiki/Cover-browser)
 * [Cover image](https://github.com/koreader/koreader/wiki/Coverimage)
 * [Frontlight gesture controller](https://github.com/koreader/koreader/wiki/Frontlight-gesture-controller)