Many applications have already established the shortcut Ctrl+K for modifying the hyperlink of text. You should stick with what people have been used to for many years rather than trying to redefine a standard.
Please make Ctrl+K the shortcut for the hyperlink button (right now it is Ctrl+L).
Update:
Here's a list of programs that use this shortcut:
- Apple TextEdit
- Apple Mail
- Evernote
- Google Docs
- Open Office Writer
- Microsoft Excel
- Microsoft Outlook
- Microsoft PowerPoint
- Microsoft Visio
- Microsoft Word
On the Mac, the keyboard shortcuts use the Command key rather than the Control key. However this is essentially equivalent as you can see by examining the other similarities between keyboard shortcuts on the Mac and PC. For example, Ctrl+S and Command+S are both used for Save, Ctrl+W and Command+W are both used for Close Window, etc.