Remove orphan quotation

Unrelated to IDI but threw it in for speed!

Author: clare-stanton

app/century-scale-storage/index.html

@@ -1937,7 +1937,7 @@ <h2>Answers and Non-Answers</h2>
                     If you want to store something for a hundred years, the ability to read and retrieve that stored
                     item in the future is critical. And the only way to ensure that ability is to preserve the software
                     that allows you to access your data, preserve the hardware that can run that software, and preserve
-                    the knowledge and skills required to maintain the entire system."
+                    the knowledge and skills required to maintain the entire system.
                 </p>
                 <p>
                     While plenty of computer scientists and thinkers, like