diff --git a/docs/api/sending_files.md b/docs/api/sending_files.md
index 02e14599..ffdecf76 100644
--- a/docs/api/sending_files.md
+++ b/docs/api/sending_files.md
@@ -49,9 +49,9 @@ text_file = BufferedInputFile(b"Hello, world!", filename="file.txt")
 ### BufferedInputFile(...)
 |Argument|Type|Description|
 |---|---|---|
-| buffer | `#!python3 bytes` | File path |
-| filename | `#!python3 str` | Custom filename to be presented to Telegram (Required) |
-| chunk_size | `#!python3 int` | File chunks size (Default: `64 kb`) |
+| `buffer` | `#!python3 bytes` | File path |
+| `filename` | `#!python3 str` | Custom filename to be presented to Telegram (Required) |
+| `chunk_size` | `#!python3 int` | File chunks size (Default: `64 kb`) |
 
 Also you can read buffer from file:
 
@@ -62,6 +62,6 @@ file = BufferedInputFile.from_file("file.txt")
 ### BufferedInputFile.from_file(...)
 |Argument|Type|Description|
 |---|---|---|
-| path | `#!python3 Union[str, Path]` | File path |
-| filename | `#!python3 Optional[str]` | Custom filename to be presented to Telegram |
-| chunk_size | `#!python3 int` | File chunks size (Default: `64 kb`) |
+| `path` | `#!python3 Union[str, Path]` | File path |
+| `filename` | `#!python3 Optional[str]` | Custom filename to be presented to Telegram |
+| `chunk_size` | `#!python3 int` | File chunks size (Default: `64 kb`) |
diff --git a/docs/index.md b/docs/index.md
index 3837d9f6..55668f45 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -16,7 +16,7 @@ Documentation for version 3.0 [WIP] [^1]
 ## Features
 
 - Asynchronous
-- [Supports Telegram Bot API v2.4](api/index.md)
+- [Supports Telegram Bot API v4.4](api/index.md)
 - Finite State Machine
 - [Replies into Webhook](https://core.telegram.org/bots/faq#how-can-i-make-requests-in-response-to-updates)
 - Middlewares
diff --git a/docs/install.md b/docs/install.md
index c7b3ae26..5cb143cb 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -1,6 +1,6 @@
 # Installation Guide
 
-## Stable
+## Stable (2.x)
 ### Using PIP
 ```bash
 pip install -U aiogram
@@ -20,11 +20,11 @@ poetry add aiogram
 *aiogram* is also available in Arch User Repository, so you can install this library on any Arch-based distribution like ArchLinux, Antergos, Manjaro, etc. To do this, use your favorite AUR-helper and install [python-aiogram](https://aur.archlinux.org/packages/python-aiogram/) package.
 
 
-## Development build
+## Development build (3.x)
 
 ### From private PyPi index
 On every push to the `dev-3.x` branch GitHub Actions build the package and publish to the [2038.host](https://aiogram.2038.io/simple) server with seems like official PyPi files structure. That's mean you can always install latest (may be unstable) build via next command: 
 ```bash
 pip install --extra-index-url https://aiogram.2038.io/simple --pre aiogram
 ```
-In this repository available only last release. All previous builds is always removes before uploading new one. Also before building this package all tests is also pass.
+In this repository available only last success build. All previous builds is always removes before uploading new one. Also before building this package all tests is also pass.