Fix heading levels in docs

docs/02-usage/020_running.md

@@ -1,4 +1,4 @@
-## Running Serena
+# Running Serena
 
 Serena is a command-line tool with a variety of sub-commands.
 This section describes
@@ -6,12 +6,12 @@ This section describes
  * how to run and configure the most important command, i.e. starting the MCP server
  * other useful commands.
 
-### Ways of Running Serena
+## Ways of Running Serena
 
 In the following, we will refer to the command used to run Serena as `<serena>`,
 which you should replace with the appropriate command based on your chosen method.
 
-#### Using uvx
+### Using uvx
 
 `uvx` is part of `uv`. It can be used to run the latest version of Serena directly from the repository, without an explicit local installation.
 
@@ -19,7 +19,7 @@ which you should replace with the appropriate command based on your chosen metho
 
 Explore the CLI to see some of the customization options that serena provides (more info on them below).
 
-#### Local Installation
+### Local Installation
 
 1. Clone the repository and change into it.
 
@@ -42,7 +42,7 @@ Explore the CLI to see some of the customization options that serena provides (m
     ```
 
 (docker)=
-#### Using Docker (Experimental)
+### Using Docker (Experimental)
 
 ⚠️ Docker support is currently experimental with several limitations. Please read the [Docker documentation](https://github.com/oraios/serena/blob/main/DOCKER.md) for important caveats before using it.
 
@@ -63,7 +63,7 @@ Alternatively, use docker compose with the `compose.yml` file provided in the re
 
 See the [Docker documentation](https://github.com/oraios/serena/blob/main/DOCKER.md) for detailed setup instructions, configuration options, and known limitations.
 
-#### Using Nix
+### Using Nix
 
 If you are using Nix and [have enabled the `nix-command` and `flakes` features](https://nixos.wiki/wiki/flakes), you can run Serena using the following command:
 
@@ -73,7 +73,7 @@ nix run github:oraios/serena -- <command> [options]
 
 You can also install Serena by referencing this repo (`github:oraios/serena`) and using it in your Nix flake. The package is exported as `serena`.
 
-### Running the MCP Server
+## Running the MCP Server
 
 Given your preferred method of running Serena, you can start the MCP server using the `start-mcp-server` command:
 
@@ -82,7 +82,7 @@ Given your preferred method of running Serena, you can start the MCP server usin
 Note that no matter how you run the MCP server, Serena will, by default, start a web-based dashboard on localhost that will allow you to inspect
 the server's operations, logs, and configuration.
 
-#### Standard I/O Mode
+### Standard I/O Mode
 
 The typical usage involves the client (e.g. Claude Code, Codex or Cursor) running
 the MCP server as a subprocess and using the process' stdin/stdout streams to communicate with it.
@@ -105,7 +105,7 @@ necessarily has to be started by the client in order for communication to take p
 In other words, you do not need to start the server yourself. The client application (e.g. Claude Desktop) takes care of this and
 therefore needs to be configured with a launch command.
 
-#### Streamable HTTP Mode
+### Streamable HTTP Mode
 
 When using instead the *Streamable HTTP* mode, you control the server lifecycle yourself,
 i.e. you start the server and provide the client with the URL to connect to it.
@@ -125,7 +125,7 @@ and then configure your client to connect to `http://localhost:9121/mcp`.
 ℹ️ Note that while SSE transport is also supported, its use is discouraged.
 
 (mcp-args)=
-#### MCP Server Command-Line Arguments
+### MCP Server Command-Line Arguments
 
 The Serena MCP server supports a wide range of additional command-line options.
 Use the command
@@ -141,7 +141,7 @@ Some useful options include:
   * `--mode <mode>`: specify one or more [modes](modes) to enable (can be passed several times)
   * `--enable-web-dashboard <true|false>`: enable or disable the web dashboard (enabled by default)
 
-### Other Commands
+## Other Commands
 
 Serena provides several other commands in addition to `start-mcp-server`, 
 most of which are related to project setup and configuration.