Update README.md

README.md

@@ -22,7 +22,7 @@ var c = tf.add(a, b);
 
 using (var sess = tf.Session())
 {
-	var o = sess.run(c);
+    var o = sess.run(c);
 }
 ```
 
@@ -34,10 +34,10 @@ var c = tf.add(a, b);
 
 using(var sess = tf.Session())
 {
-	var feed_dict = new Dictionary<Tensor, object>();
-	feed_dict.Add(a, 3.0f);
-	feed_dict.Add(b, 2.0f);
+    var feed_dict = new Dictionary<Tensor, object>();
+    feed_dict.Add(a, 3.0f);
+    feed_dict.Add(b, 2.0f);
 
-	var o = sess.run(c, feed_dict);
+    var o = sess.run(c, feed_dict);
 }
-```
+```