diff --git a/README.md b/README.md
index 2bcd8a72..6a78e38d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # celeste
 
-Celeste is a lightweight Jekyll theme that features a minimalist, content-first design. It places your content center stage and lets your readers view them in a clutter-free environment without visual distractions. It is based on [Poole](https://github.com/poole/poole), the Jekyll butler, by [@mdo](https://twitter.com/mdo).
+Celeste is a lightweight Jekyll theme that features a minimalist, content-first design. It places your content center stage and lets your readers view them in a clutter-free environment without visual distractions. It is based on [Poole](https://github.com/poole/poole), the Jekyll butler, by [@mdo](https://github.com/mdo).
 
 ![Celeste Preview](https://user-images.githubusercontent.com/4868132/48317284-981f4080-e62a-11e8-94e4-f3d7db9506a7.png)
 
diff --git a/blog/_posts/2015-06-14-introducing-celeste.md b/blog/_posts/2015-06-14-introducing-celeste.md
index 4949740e..81dfe390 100644
--- a/blog/_posts/2015-06-14-introducing-celeste.md
+++ b/blog/_posts/2015-06-14-introducing-celeste.md
@@ -3,11 +3,11 @@ layout: post
 title: Introducing Celeste
 ---
 
-Celeste is a lightweight Jekyll theme that features a minimalist, content-first design. It places your content center stage and lets your readers view them in a clutter-free environment without visual distractions. It is based on [Poole](https://github.com/poole/poole), the Jekyll butler, by [@mdo](https://twitter.com/mdo).
+Celeste is a lightweight Jekyll theme that features a minimalist, content-first design. It places your content center stage and lets your readers view them in a clutter-free environment without visual distractions. It is based on [Poole](https://github.com/poole/poole), the Jekyll butler, by [@mdo](https://github.com/mdo).
 
 ### Built on Poole
 
-Poole is the Jekyll Butler, serving as an upstanding and effective foundation for Jekyll themes by [@mdo](https://twitter.com/mdo). Poole, and all its derivatives (like Celeste) includes the following:
+Poole is the Jekyll Butler, serving as an upstanding and effective foundation for Jekyll themes by [@mdo](https://github.com/mdo). Poole, and all its derivatives (like Celeste) includes the following:
 
 * Complete Jekyll setup included (layouts, config, [404]({{ site.baseurl }}/404.html), [RSS feed]({{ site.baseurl }}/atom.xml), posts, and a [sample page]({{ site.baseurl }}/about/))
 * Mobile friendly design and development