From 04d6481d4fb1d3ad43a7b16fbb4a5ac7819d99fb Mon Sep 17 00:00:00 2001
From: Eliza Moscovskaya <moscovskayaliza@gmail.com>
Date: Thu, 2 Jul 2026 16:14:25 +0300
Subject: [PATCH] Update 'readme.md'

---
 readme.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/readme.md b/readme.md
index e480c5a..fbecbc6 100644
--- a/readme.md
+++ b/readme.md
@@ -42,7 +42,11 @@ git clone https://git.robofob.ru/sirius/gen_locations_on_mesh # скачиван
 rm -rf /build /install /log
 ```
 **Terminal 1**
-При активированном `sirius_venv` (`. sirius_venv/bin/activate`)
+При активированном `sirius_venv` (`. sirius_venv/bin/activate`)  
+Установить python-colcon (единожды)  
+```sh
+pip install colcon-common-extensions
+```
 ```sh
 python3 -m colcon build --packages-select unity_robot_controller --symlink-install
 ```