diff --git a/doc/DeveloperGuide.ja.md b/doc/DeveloperGuide.ja.md
index 228fe1fe..421f99ce 100644
--- a/doc/DeveloperGuide.ja.md
+++ b/doc/DeveloperGuide.ja.md
@@ -34,7 +34,7 @@ GGPOは新規および既存のゲームエンジンと簡単に繋ぎ込みが
 例えば、ポート8001にバインドされた別のプレイヤーと同じホストで新しいセッションを開始する場合、次のようになります。
 
 ```
-   GGPOSession ggpo;
+   GGPOSession *ggpo;
    GGPOErrorCode result;
    GGPOSessionCallbacks cb;
 
diff --git a/doc/DeveloperGuide.md b/doc/DeveloperGuide.md
index c21047da..4a2c3ea8 100644
--- a/doc/DeveloperGuide.md
+++ b/doc/DeveloperGuide.md
@@ -34,7 +34,7 @@ The `GGPOSession` object is your interface to the GGPO framework.  Create one wi
 For example, to start a new session on the same host with another player bound to port 8001, you would do:
 
 ```
-   GGPOSession ggpo;
+   GGPOSession *ggpo;
    GGPOErrorCode result;
    GGPOSessionCallbacks cb;