correting typos

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@276085 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/CoreTasks/input.html

@@ -17,8 +17,8 @@ input.  To do so, it uses the configured
 <p>The prompt can be set via the message attribute or as character
 data nested into the element.</p>
 
-<p>Optinonally a set of valid imput arguments can be defined via the
-validargs attribute. Input task will no accept value that don't match
+<p>Optionally a set of valid input arguments can be defined via the
+validargs attribute. Input task will not accept a value that doesn't match
 one of the predefined.</p>
 
 <p>Optionally a property can be created from the value entered by the
@@ -56,7 +56,7 @@ project (and the task wouldn't have any effect).</p>
     <td valign="top">the name of a property to be created from
     input. Behaviour is equal to <a href="property.html">property
     task</a> which means that existing properties cannot be
-    overriden.</td>
+    overridden.</td>
     <td valign="top" align="center">No</td>
   </tr>
   <tr>