diff --git a/docs/GETTING_STARTED.md b/docs/GETTING_STARTED.md
index 7131e113b249b57586c5c89979f58ebaabad48f3..68a54cb7ed2210a362e0e7fd54c6947e51d31c32 100644
--- a/docs/GETTING_STARTED.md
+++ b/docs/GETTING_STARTED.md
@@ -357,6 +357,9 @@ class MobileNet(nn.Module):
 
     def forward(x):  # should return a tuple
         pass
+    
+    def init_weights(self, pretrained=None):
+        pass
 ```
 
 2. Import the module in `mmdet/models/backbones/__init__.py`.