+docs

README.md

@@ -7,16 +7,29 @@ it clones and configures several individual repositories, such as
 * http://git.openembedded.org
 * https://github.com/Xilinx/meta-xilinx
 * https://git.elphel.com/Elphel/meta-elphel393
- 
+
 The same script pulls updates from these repositories
 
+### Cloning
+
+To have access to related Elphel's projects over **SSH** clone this project using **SSH**.
+
+For **HTTPS** clone with **HTTPS**.
+
+To change git protocol for all Elphel's projects - change the *remote* of this project accordingly, then run *setup.py*:
+```sh
+$ git remote -v
+$ git remote set-url ...
+$ ./setup.py
+```
+
 ### Get environment
 #### Dependencies
-* poky might require installing some packages, please check with the [Yocto Poky Manual][1] 
+* poky might require installing some packages, please check with the [Yocto Poky Manual][1]
 * extra requirement
 
 ```sh
-$ sudo apt install python-numpy 
+$ sudo apt install python-numpy
 ```
 
 #### Get sources