Copy fixes for guides

guide-tutorial-list.html

@@ -280,7 +280,7 @@
 										<ul class="post-meta">
 											<li>By HeKaz</li>
 										</ul>
-										<p>Watch this quick step-by-step video to learn the basics of running a bcoin fullnode on Linux.</p>
+										<p>A quick step-by-step video to learn the basics of running a bcoin fullnode on Linux.</p>
 										<a href="guide-fullnode-linux.html" class="btn btn-lg btn-link btn-base">Watch ›</a>
 									</div>
 								</div>
@@ -303,7 +303,7 @@
 										<ul class="post-meta">
 											<li>By HeKaz</li>
 										</ul>
-										<p>Check out this quick step-by-step video to learn the basics of running a bcoin fullnode on Mac OS X.</p>
+										<p>A quick step-by-step video to learn the basics of running a bcoin fullnode on Mac OS.</p>
 										<a href="guide-fullnode-mac.html" class="btn btn-lg btn-link btn-base">Watch ›</a>
 									</div>
 								</div>
@@ -326,7 +326,7 @@
 										<ul class="post-meta">
 											<li>By R. Tejada</li>
 										</ul>
-										<p>Scope this quick step-by-step video to learn the basics of running a bcoin fullnode on Windows.</p>
+										<p>A quick step-by-step video to learn the basics of running a bcoin fullnode on Windows.</p>
 										<a href="guide-fullnode-windows.html" class="btn btn-lg btn-link btn-base">Watch ›</a>
 									</div>
 								</div>