Use Markdown to link to the How-To

diff --git a/facebook/README b/facebook/README
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+++ /dev/null
@@ -1,16 +0,0 @@
-Installing the Friendica/Facebook connector
-
-Detailed instructions how to use this plugin can be found at
-https://github.com/friendica/friendica/wiki/How-to:-Friendica%E2%80%99s-Facebook-connector
-
-Vidoes and embeds will not be posted if there is no other content. Links 
-and images will be converted to a format suitable for the Facebook API and 
-long posts truncated - with a link to view the full post. 
-
-Facebook contacts will not be able to view private photos, as they are not able to
-authenticate to your site to establish identity. We will address this 
-in a future release.
-
-Info: please make sure that you understand all aspects due to Friendica's 
-default licence which is: MIT License (further info:
-https://github.com/friendica/friendica/blob/master/LICENSE)

diff --git a/facebook/README.md b/facebook/README.md
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+Installing the Friendica/Facebook connector
+
+Detailed instructions how to use this plugin can be found at
+the [How to: Friendica's Facebook Connector](https://github.com/friendica/friendica/wiki/How-to:-Friendica%E2%80%99s-Facebook-connector) page.
+
+Vidoes and embeds will not be posted if there is no other content. Links 
+and images will be converted to a format suitable for the Facebook API and 
+long posts truncated - with a link to view the full post. 
+
+Facebook contacts will not be able to view private photos, as they are not able to
+authenticate to your site to establish identity. We will address this 
+in a future release.
+
+Info: please make sure that you understand all aspects due to Friendica's 
+default licence which is: [MIT License](https://github.com/friendica/friendica/blob/master/LICENSE)