diff --git a/How-to-write-a-browser-exploit-using-BrowserExploitServer.md b/How-to-write-a-browser-exploit-using-BrowserExploitServer.md
index 4d318364fd..b0a19c32f1 100644
--- a/How-to-write-a-browser-exploit-using-BrowserExploitServer.md
+++ b/How-to-write-a-browser-exploit-using-BrowserExploitServer.md
@@ -24,14 +24,14 @@ Exploitable browser requirements are defined under "BrowserRequirements" in the
 ```ruby
 'BrowserRequirements' =>
 {
-	:source => /script/i,
-        :activex => [
+	source: /script/i,
+        activex: [
           {
             :clsid => '{D27CDB6E-AE6D-11cf-96B8-444553540000}',
             :method => 'LoadMovie'
           }
         ],
-	:os_name => /win/i
+	os_name: /win/i
 }
 ```