diff --git a/draft-2/index.html b/draft-2/index.html
index 14fc53e7..31a53ec3 100644
--- a/draft-2/index.html
+++ b/draft-2/index.html
@@ -674,7 +674,7 @@ <h1 id="scatter/gather">Scatter/gather</h1><p>To use scatter/gather,
 in the workflow or workflow step requirements.</p>
 <p>A "scatter" operation specifies that the associated workflow step or
 subworkflow should execute separately over a list of input elements.  Each
-job making up a scatter operaution is independent and may be executed
+job making up a scatter operation is independent and may be executed
 concurrently.</p>
 <p>The <code>scatter</code> field specifies one or more input parameters which will be
 scattered.  An input parameter may be listed more than once.  The declared
@@ -870,7 +870,7 @@ <h3>Fields</h3><table class="table table-striped"><tr><th>field</th><th>type</th
 </td></tr><tr><td><code>inputs</code></td><td>array&lt;<a href="#commandinputparameter">CommandInputParameter</a>&gt;</td><td>True</td><td><p>Defines the input parameters of the process.  The process is ready to
 run when all required input parameters are associated with concrete
 values.  Input parameters include a schema for each parameter which is
-used to validate the input object.  It may also be used build a user
+used to validate the input object.  It may also be used to build a user
 interface for constructing the input object.
  <em>Inherited from <a href="#process">Process</a></em></p>
 </td></tr><tr><td><code>outputs</code></td><td>array&lt;<a href="#commandoutputparameter">CommandOutputParameter</a>&gt;</td><td>True</td><td><p>Defines the parameters representing the output of the process.  May be
@@ -1357,4 +1357,4 @@ <h3>Fields</h3><table class="table table-striped"><tr><th>field</th><th>type</th
     </div>
     </div>
     </body>
-    </html>
\ No newline at end of file
+    </html>
diff --git a/draft-3/index.html b/draft-3/index.html
index 066d5e7b..b4b03a0f 100644
--- a/draft-3/index.html
+++ b/draft-3/index.html
@@ -638,7 +638,7 @@ <h3>Fields</h3><table class="table table-striped"><tr><th>field</th><th>type</th
 </td></tr><tr><td><code>inputs</code></td><td>array&lt;<a href="#InputParameter">InputParameter</a>&gt;</td><td>True</td><td><p>Defines the input parameters of the process.  The process is ready to
 run when all required input parameters are associated with concrete
 values.  Input parameters include a schema for each parameter which is
-used to validate the input object.  It may also be used build a user
+used to validate the input object.  It may also be used to build a user
 interface for constructing the input object.
  <em>Inherited from <a href="#Process">Process</a></em></p>
 </td></tr><tr><td><code>outputs</code></td><td>array&lt;<a href="#WorkflowOutputParameter">WorkflowOutputParameter</a>&gt;</td><td>True</td><td><p>Defines the parameters representing the output of the process.  May be
@@ -697,7 +697,7 @@ <h2 id="Scatter/gather">Scatter/gather</h1><p>To use scatter/gather,
 in the workflow or workflow step requirements.</p>
 <p>A "scatter" operation specifies that the associated workflow step or
 subworkflow should execute separately over a list of input elements.  Each
-job making up a scatter operaution is independent and may be executed
+job making up a scatter operation is independent and may be executed
 concurrently.</p>
 <p>The <code>scatter</code> field specifies one or more input parameters which will be
 scattered.  An input parameter may be listed more than once.  The declared
@@ -1434,4 +1434,4 @@ <h3>Fields</h3><table class="table table-striped"><tr><th>field</th><th>type</th
     </div>
     </div>
     </body>
-    </html>
\ No newline at end of file
+    </html>