diff --git a/building/index.md b/building/index.md
index 0d3142e8..ca4e1127 100644
--- a/building/index.md
+++ b/building/index.md
@@ -263,7 +263,7 @@ Phoenix-RTOS system image.
There is a list of commands you can use to get them: on both Ubuntu and macOS host operating systems.
- Intalling required tools for native build on Ubuntu (click to expand)
+ Installing required tools for native build on Ubuntu (click to expand)
```console
sudo apt update && \
@@ -275,13 +275,15 @@ There is a list of commands you can use to get them: on both Ubuntu and macOS ho
genext2fs \
libtool \
libhidapi-dev \
- python3
+ python3 \
+ python3-jinja2 \
+ python3-yaml
```
- Intalling required tools for native build on macOS (click to expand)
+ Installing required tools for native build on macOS (click to expand)
```console
brew update && \
@@ -296,7 +298,9 @@ There is a list of commands you can use to get them: on both Ubuntu and macOS ho
wget \
gnu-sed \
hidapi \
- python3
+ python3 \
+ python3-jinja2 \
+ python3-yaml
```
*`bash` in version >= `4.0` and `make` in version >= `3.82` are needed (associative arrays and `undefine` used).