Some docs improvements (#552)

* Some improvements

docs/tutorials/tutorials.md

@@ -2,7 +2,7 @@
 Topics discussing how to work with certain features.
 
 \htmlonly
-<br><br>
+<br>
 <style>
 .pagebutton {
     display: inline-block;
@@ -87,9 +87,9 @@ p {
 <div class="pagelink">
   <div class="pageimg"><img width=320 src="buttonimage.png" /></div>
   <div class="content">
-    <div class="pageheading">Boostramps</div>
+    <div class="pageheading">Boost Ramps</div>
     <div class="pagedescription">
-      <p>Steps for creating your own boostramps</p>
+      <p>Steps for creating your own boost ramps</p>
     </div>
   </div>
 </div>