Fixed typo in Public Sphere copy

canvas/index.php

@@ -390,7 +390,7 @@
                                     Public Sphere
                                 </h2>
                                 <p class="intro">
-                                    How the general perception of somebody’s role in society can be affec- ted by the project, e.g. people behaving more individualistic or collectivist, people behaving more or less materialistic.</p>
+                                    How the general perception of somebody’s role in society can be affected by the project, e.g. people behaving more individualistic or collectivist, people behaving more or less materialistic.</p>
                                 <!-- Into text toggler -->
                                 <button type="button" class="intro-toggle">
                                     <!-- glyphicon glyphicon-minus-sign -->