docs: correct configuration key names and typos

docs/01-about/020_programming-languages.md

@@ -42,7 +42,7 @@ Some languages require additional installations or setup steps, as noted.
   subsumes `typescript` and `html` for `.ts`/`.html` files, so do not also list those)
 * **Ansible**  
   (experimental; requires Node.js and npm; automatically installs `@ansible/ansible-language-server`;
-  must be explicitly specified in the `languages` entry in the `project.yml`; requires `ansible` in PATH for full functionality)
+  must be explicitly specified in the `language_servers` entry in the `project.yml`; requires `ansible` in PATH for full functionality;
   the upstream `@ansible/ansible-language-server@1.2.3` supports hover, completion, definition,
   semantic tokens, and validation; document symbols, workspace symbols, references, and rename
   are not supported by this version)
@@ -51,7 +51,7 @@ Some languages require additional installations or setup steps, as noted.
   (requires Java 21+ on PATH; uses [bsl-language-server](https://github.com/1c-syntax/bsl-language-server) by 1c-syntax; the JAR is auto-downloaded and SHA-256-verified for the bundled default version; supports `.bsl` and `.os` files; configure optional `ls_path` or `bsl_ls_version` under `ls_specific_settings.bsl`)
 * **C#**  
   (by default, uses the Roslyn language server (language `csharp`), requiring [.NET v10+](https://dotnet.microsoft.com/en-us/download/dotnet) and, on Windows, `pwsh` ([PowerShell 7+](https://learn.microsoft.com/en-us/powershell/scripting/install/install-powershell-on-windows?view=powershell-7.5));
-  set language to `csharp_omnisharp` to use OmiSharp instead)
+  set language to `csharp_omnisharp` to use OmniSharp instead)
 * **C/C++**  
   (by default, uses the clangd language server (language `cpp`) but we also support ccls (language `cpp_ccls`);
   for best results, provide a `compile_commands.json` at the repository root;

docs/02-usage/030_clients.md

@@ -124,8 +124,8 @@ When using Serena, we highly recommend that you start CC as
 claude --system-prompt="$(serena prompts print-cc-system-prompt-override)"
 ```
 
-You can also consider adding the content of `serena cc-system-prompt-override` to your `CLAUDE.md` files,
-but the effect be insufficient for counteracting Claude Code's bias towards internal tools.
+You can also consider adding the content of `serena prompts print-cc-system-prompt-override` to your `CLAUDE.md` files,
+but the effect may be insufficient for counteracting Claude Code's bias towards internal tools.
 :::
 
 **Global Configuration**. To add the Serena MCP server for all your projects, use the user-level configuration of claude code and the `--project-from-cwd` flag:

docs/02-usage/050_configuration.md

@@ -269,7 +269,7 @@ This ensures backward compatibility: existing projects that already have a `.ser
 Most users will not need to adjust these settings.
 :::
 
-Under the key `ls_specific_settings` in `serena_config.yml`, you can you pass global per-language, 
+Under the key `ls_specific_settings` in `serena_config.yml`, you can pass global per-language, 
 language server-specific configuration. 
 
 You can use the same key in the project configuration files (`project.yml`

docs/03-special-guides/cpp_setup.md

@@ -40,8 +40,10 @@ You can customize this location via project settings:
 ```yaml
 # .serena/project.yml
 language_servers:
+  - cpp
+ls_specific_settings:
   cpp:
-    compile_commands_dir: custom/rel/path (defaults to .serena)
+    compile_commands_dir: custom/rel/path  # defaults to .serena
 ```
 
 ### With ccls
@@ -76,7 +78,7 @@ choco install ccls
 #### Configuration
 
 After installing ccls, configure Serena to use it via project settings (in `.serena/project.yml`)
-by adding `cpp_ccls` to the `languages` list. Replace `cpp` with `cpp_ccls` if you already have the `cpp` entry.
+by adding `cpp_ccls` to the `language_servers` list. Replace `cpp` with `cpp_ccls` if you already have the `cpp` entry.
 
 ccls can handle relative paths in `compile_commands.json`, so no transformation is necessary
 and no transformed `compile_commands.json` file will be created.