styling guide false -> FALSE
diff --git a/system/core/Input.php b/system/core/Input.php
index 36ff96d..c1f2086 100755
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -403,7 +403,7 @@
 	 */
 	public function ip_version($ip)
 	{
-		return strpos($ip, ":") === false ? 4 : 6;
+		return strpos($ip, ":") === FALSE ? 4 : 6;
 	}
 
 	// --------------------------------------------------------------------