diff --git a/README.md b/README.md
index 5ba27fc..2da24b3 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,13 @@ This project is to speed up various ML models (e.g. topic modeling, word embeddi
 
 ### How to install
 
+- install from pypi
+
+```shell
+pip install cusim
+```
+
+
 - install from source
 
 ```shell
@@ -20,8 +27,6 @@ python -m grpc_tools.protoc --python_out cusim/ --proto_path cusim/proto/ config
 python setup.py install
 ```
 
-- pip installation will be available soon
-
 ### How to use
 
 - `examples/example_w2v.py`, `examples/example_lda.py` and `examples/README.md` will be very helpful to understand the usage.
diff --git a/examples/example_w2v.py b/examples/example_w2v.py
index 77de2c4..305ba7e 100644
--- a/examples/example_w2v.py
+++ b/examples/example_w2v.py
@@ -28,7 +28,7 @@
 DOWNLOAD_PATH = "./res"
 DATASET = "quora-duplicate-questions"
 DATA_PATH = f"./res/{DATASET}.stream.txt"
-PROCESSED_DATA_DIR = "./res/{DATASET}-processed"
+PROCESSED_DATA_DIR = f"./res/{DATASET}-processed"
 CUSIM_MODEL = "./res/cusim.w2v.model"
 GENSIM_MODEL = "./res/gensim.w2v.model"