Fix KeepassXC url error. (#1001)

README.md

@@ -912,7 +912,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 * [Dashlane](https://www.dashlane.com) - Cloud-based password manager with award-winning design. [![App Store][app-store Icon]](https://itunes.apple.com/us/app/dashlane-password-manager/id552383089)
 * [Enpass](https://www.enpass.io/) - Cross-platform password management tool with cloud integration. [![App Store][app-store Icon]](https://itunes.apple.com/us/app/enpass-password-manager/id455566716)
 * [Keeweb](https://keeweb.info/) - Free, cross-platform password manager compatible with KeePass. [![Open-Source Software][OSS Icon]](https://github.com/keeweb/keeweb) ![Freeware][Freeware Icon]
-* [KeepassXC](https://keepassxc.org/) - Free, open source, cross-platform password manager. [![Open-Source Software][OSS Icon]]![Freeware][Freeware Icon]
+* [KeepassXC](https://keepassxc.org/) - Free, open source, cross-platform password manager. [![Open-Source Software][OSS Icon]](https://github.com/keepassxreboot/keepassxc) ![Freeware][Freeware Icon]
 * [LastPass](https://lastpass.com/) - Password management tool for Mac OS and browser.
 * [MacPass](https://macpass.github.io/) - Open-source KeePass Mac OS client. [![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://github.com/mstarke/MacPass)
 * [SafeInCloud](https://safe-in-cloud.com/en/) - Cross Platform password management, low cost app! [![App Store][app-store Icon]](https://itunes.apple.com/app/safeincloud-password-manager/id883070818)