diff --git a/_posts/2017-03-14-pycon-pune-2017-a-wonderful-python-conference.md b/_posts/2017-03-14-pycon-pune-2017-a-wonderful-python-conference.md
index 941a890..dc5304e 100644
--- a/_posts/2017-03-14-pycon-pune-2017-a-wonderful-python-conference.md
+++ b/_posts/2017-03-14-pycon-pune-2017-a-wonderful-python-conference.md
@@ -37,7 +37,7 @@ has a large collection of programmable boards. You will find boards like
 [Raspberry Pi](https://en.wikipedia.org/wiki/Raspberry_Pi), [Bana
 Pi](https://en.wikipedia.org/wiki/Banana_Pi),
 [Dragonboard](https://developer.qualcomm.com/hardware/dragonboard-410c),
-[Bigalbon](https://www.bigalsmods.com/product-p/1001.htm),
+[Bigalbon](https://beagleboard.org),
 [BBC-microbit](https://en.wikipedia.org/wiki/Micro_Bit) and the 3D printer.
 Furthermore, this space has a great collection of books on Compilers and
 Embedded programming. I managed to found few on open-source too. The owners are
diff --git a/_posts/2017-07-21-pydelhi-conf-2017-a-beautiful-conference-happend-at-new-delhi-india.md b/_posts/2017-07-21-pydelhi-conf-2017-a-beautiful-conference-happend-at-new-delhi-india.md
index 33f716f..e5dbc0d 100644
--- a/_posts/2017-07-21-pydelhi-conf-2017-a-beautiful-conference-happend-at-new-delhi-india.md
+++ b/_posts/2017-07-21-pydelhi-conf-2017-a-beautiful-conference-happend-at-new-delhi-india.md
@@ -228,7 +228,7 @@ community for keep organizing such an affable conference.
 * [Talk videos](https://www.youtube.com/playlist?list=PL3Aq1JLV2oFZFzSGsDUcc6BieBEvUDzJg)
 
 
-###### Proofreaders: [Mr. Daniel Foerster](https://medium.com/@pydsigner), [Mr.  Dhavan Vaidya](http://codingquark.com/), [Mr. Sayan Chowdhury](https://sayanchowdhury.dgplug.org/), [Mr. Trent Buck](https://www.emacswiki.org/emacs/TrentBuck)
+###### Proofreaders: [Mr. Daniel Foerster](https://github.com/pydsigner), [Mr.  Dhavan Vaidya](http://codingquark.com/), [Mr. Sayan Chowdhury](https://sayanchowdhury.dgplug.org/), [Mr. Trent Buck](https://www.emacswiki.org/emacs/TrentBuck)
 
 [pydelhi_conf_2017]:https://conference.pydelhi.org
 [pydelhi_community]:https://pydelhi.org/