diff --git a/ogb_examples/linkproppred/ogbl-ppa/README.md b/ogb_examples/linkproppred/ogbl-ppa/README.md
index bcb0682e46cdaf692b106fed2e1db3076dbd58e5..f06b3bc2be13dca9548491c5a152841fd4bb034f 100644
--- a/ogb_examples/linkproppred/ogbl-ppa/README.md
+++ b/ogb_examples/linkproppred/ogbl-ppa/README.md
@@ -6,9 +6,12 @@
 ### Requirements
 
 paddlpaddle >= 1.7.1
+
 pgl 1.0.2
+
 ogb
 
+
 ### How to Run
 
 ```