Docs: Fix typos

docs/api/materials/ShaderMaterial.html

@@ -40,7 +40,7 @@
 				must be used instead.
 			</li>
 			<li>
-				Built in attributes an uniforms are passed to the shaders along with your code.
+				Built in attributes and uniforms are passed to the shaders along with your code.
 				If you don't want the [page:WebGLProgram] to add anything to your shader code, you can use
 				[page:RawShaderMaterial] instead of this class.
 			</li>
@@ -296,7 +296,7 @@ this.defaultAttributeValues = {
 
 		<h3>[property:Object extensions]</h3>
 		<div>
-		An object with the folowing properties:
+		An object with the following properties:
 		<code>
 this.extensions = {
 	derivatives: false, // set to use derivatives