Spelling and closing tag fixes

src/main/javascript/SwaggerUi.js

@@ -253,7 +253,7 @@ window.SwaggerUi.Views = {};
         });
     } else if (typeof exports === 'object') {
         // Node. Does not work with strict CommonJS, but
-        // only CommonJS-like enviroments that support module.exports,
+        // only CommonJS-like environments that support module.exports,
         // like Node.
         module.exports = factory(require('b'));
     } else {

src/main/template/param_list.handlebars

@@ -1,4 +1,4 @@
-<td class='code{{#if required}} required{{/if}}'><label for='{{valueId}}'>{{name}}</labe></td>
+<td class='code{{#if required}} required{{/if}}'><label for='{{valueId}}'>{{name}}</label></td>
 <td>
   <select {{#isArray this}} multiple="multiple"{{/isArray}} class="parameter {{#if required}} required {{/if}}" name="{{name}}" id="{{valueId}}">