Fix typos

index.html

@@ -46,7 +46,7 @@
 
 <p>
   <strong>Who:</strong> The course is aimed at everyone who is
-  interested in becoming a better teacher. In particular, this trainig
+  interested in becoming a better teacher. In particular, this training
   is aimed at those who want to become Software and Data Carpentry
   instructors, run workshops and contribute to the Carpentry training
   materials.  You don't have to be currently an instructor or a
@@ -81,7 +81,7 @@
   your email.
 </p>
 <p>
-  All paricipants are also required to abide by
+  All participants are also required to abide by
   Software Carpentry's <a href="{{site.swc_site}}/conduct.html">Code of Conduct</a>.
 </p>
 
@@ -131,7 +131,7 @@ <h3>Day 2</h3>
       <tr> <td>13:30</td> <td>Setting up and running a workshop</td> </tr>
       <tr> <td>14:30</td> <td>Coffee break</td> </tr>
       <tr> <td>15:00</td> <td>Overview of existing materials; how to contribute</td> </tr>
-      <tr> <td>16:00</td> <td>Next setps</td> </tr>
+      <tr> <td>16:00</td> <td>Next steps</td> </tr>
       <tr> <td>16:45</td> <td>Wrap-up</td> </tr>
       <tr> <td>17:00</td> <td>Close</td> </tr>
     </table>