diff --git a/README.md b/README.md
index ad1ba919885a6773b98e1e1c75b920ce9d109dac..1464c91608b4532c1064423fa4eb1a8245498c16 100644
--- a/README.md
+++ b/README.md
@@ -63,10 +63,11 @@ PGL supports both Python 2 & 3
 
 ## Installation
 
-pip install pgl
-
-
+The current version of PGL is 0.1.0.beta. You can simply install it via pip.
 
+```sh
+pip install pgl
+```
 
 ## The Team
 
diff --git a/examples/graphsage/README.md b/examples/graphsage/README.md
index b2d293efc7f5a1ee30185b7a50e2e4729859ace1..6eb17f6cfec52194cf499d6a1273dc0e9b89d555 100644
--- a/examples/graphsage/README.md
+++ b/examples/graphsage/README.md
@@ -12,6 +12,7 @@ The reddit dataset should be downloaded from the following links and placed in d
 
 ### Dependencies
 
+- sklearn
 - paddlepaddle>=1.4 (The speed can be faster in 1.5.)
 - pgl