Update README.md

Author: coderwall-admin

README.md

@@ -4,6 +4,16 @@
 
 [Coderwall](https://coderwall.com/gh) is a network of developers that care about their craft. We recognize your programming accomplishments and make it easy to connect with others developers.
 
+## How do I publicize my membership?
+
+When we add you to this organization, your membership is concealed. Only you can see that you're a part of this org. Publicizing your membership in this organization allows others to see that you've unlocked this badge on Coderwall. To publicize your membership, visit this organization's home page, click the Members tab and click 'Publicize membership'.
+![Publicize](http://f.cl.ly/items/2v0K0i062p0u231Z1z1s/publicize.jpeg)
+
+## How do I conceal my membership?
+
+Similar to publicizing your membership, visit this organization's home page, click the Members tab and click 'Conceal membership'.
+![Conceal](http://f.cl.ly/items/0A1p3b3t1X3a0n2q2j3O/conceal.jpeg)
+
 ## How do I unlock the Mongoose achievement?
 
 Easy! Visit [coderwall.com](https://coderwall.com/gh) and create an account. We'll monitor your public github repo once a week and award you new achievements.