Added GitHub repo link and explanatory text

Decided to play it safe and branch/pull request.

Author: Frymaster Speck

index.html

@@ -89,6 +89,9 @@
   			<p>
                We created this visualization to make transparent and give shape to Rhode Island's 2015 budget. Hover over to see where Rhode Island tax revenue originated and how it gets spent. Each column represents one stage of lawmakers' process for allocating the $9,894,362,162 budget.
             </p>
+            <p>
+            <strong>NOTE:</strong>Each column represents the same amount of revenue. The difference in column heights is due to the space between each category. The more categories, the more spaces and the taller the column. Think you have a fix? Tell us about it on <a href="https://github.com/codeisland/RI-Budget-Sankey/issues/2">the GitHub issue</a> dedicated to this bug.
+            </p>
             <p class="directions">Scroll right to see more → <p>
 
         </div>
@@ -99,6 +102,9 @@
             <p id="chart"></p>
         </div>
         <div class="graph-content">
+            <p>
+                <a href="https://github.com/codeisland/RI-Budget-Sankey"><img src="/images/Github-Mark-32px.png" />GitHub Repo</a>
+            </p>
             <p>
                 Have an opinion? Share it on Twitter<br/>
                 #ribudget