diff --git a/HOOKS.md b/HOOKS.md
index ba81204..10d0e80 100644
--- a/HOOKS.md
+++ b/HOOKS.md
@@ -1,8 +1,9 @@
 # Anomaly hooks
 
-- HASTIC_ALERT_ENDPOINT - (optional) endpoint you want to send alerts to
+It's possible to get notifications about new anomalies via [WebHooks](https://en.wikipedia.org/wiki/Webhook)
 
-Alert example (method: POST):
+You need to set variable `HASTIC_ALERT_ENDPOINT` with your endpoint and expects `POST` methods 
+from hastic-server if format:
 
 ```
 {
@@ -16,14 +17,15 @@ Alert example (method: POST):
 - `OK`
 
 ## Docker run
-```
+```bash
 docker run -d --name hastic-server -p 80:8000 -e HASTIC_API_KEY=<your_grafana_api_key> HASTIC_ALERT_ENDPOINT="http://exam.ple" hastic-server
 ```
 
 ## Node run
 
 Add variable before launch node.js server
-```
+
+```bash
 $ export HASTIC_ALERT_ENDPOINT=http://alert.example.com
 $ cd hastic-server/server
 $ npm start
diff --git a/README.md b/README.md
index 99857b4..5decbc5 100644
--- a/README.md
+++ b/README.md
@@ -36,19 +36,17 @@ See [hooks docs](https://github.com/hastic/hastic-server/blob/master/HOOKS.md) f
 #### Dependencies
 
 - git
-- python3 with:
-  - pandas
-  - seglearn
-  - scipy
-  - tsfresh
-- nodejs >= 9
+- python3
+- nodejs >= 6.0.0
 
 Example of running hastic-server on Debian / Ubuntu host:
 
-```
+```bash
 $ export HASTIC_API_KEY=<your_grafana_api_key>
 $ export HASTIC_PORT=<port_you_want_to_run_server_on>
-# sudo apt-get install \
+# If you don't have nodejs, uncomment next line:
+# curl -sL https://deb.nodesource.com/setup_9.x | bash -
+# apt-get install \
   python3 \
   python3-pip \
   gnupg \
@@ -56,8 +54,11 @@ $ export HASTIC_PORT=<port_you_want_to_run_server_on>
   make \
   g++ \
   git
-$ sudo pip3 install pandas seglearn scipy tsfresh
-$ curl -sL https://deb.nodesource.com/setup_9.x | bash -
+$ pip3 install pandas
+$ pip3 install seglearn
+$ pip3 install scipy
+$ pip3 install tsfresh
+
 # apt-get update && apt-get install -y nodejs
 $ git clone https://github.com/hastic/hastic-server.git
 $ cd hastic-server/server