Changed isa to is in docs

docs/operators.html

@@ -124,7 +124,7 @@
 				<li>Greater than or equal (>=)</li>
 				<li>Identical (===)</li>
 				<li>Not identical (!==)</li>
-				<li>Type check (isa)</li>
+				<li>Type check (is)</li>
 				<li>Pattern match (~=)</li>
 			</ul>
 			</p>
@@ -136,7 +136,7 @@
 	1 > 2		// false because 1 is not greater than 2
 	1 >= 1		// true because 1 is greater than or equal to 1
 	1 === 1		// true because 1 is identical to 1 (same value and same class)
-	1 isa Int	// true because 1 is of class Int
+	1 is Int	// true because 1 is of class Int
 			</code></pre>
 			<p>Gravity performs some conversions at runtime, so 1 == "1" but not 1 === '1'.</p>
 

docs/syntax.html

@@ -127,7 +127,7 @@
 			<h4 class="section-h4">Reserved Keywords</h4>
 			<p>Like many other programming languages Gravity has some reserved keywords that assumes a very specific meaning in the context of the source code:</p>
 			<pre><code class="swift">
-	if in or isa for var and not func else true enum case null
+	if in or is for var and not func else true enum case null
 	file lazy super false break while class const event _func
 	_args struct repeat switch return public static extern
 	import module default private continue internal undefined
@@ -193,4 +193,4 @@
     <script>hljs.initHighlightingOnLoad();</script>
     
 	</body>
-</html>
+</html>