small edits

docs/website/docs/general-usage/credentials/config_providers.md

@@ -92,25 +92,25 @@ sections and key names are separated by "." into the provider-specific formats.
 1. For TOML, names are case-sensitive and sections are separated with ".".
 1. For Environment Variables, all names are capitalized and sections are separated with double
    underscore "__".
-   
+
    Example: To override a token in "secrets.toml":
-   
+
    ```toml
    [sources.github]
    access_token = "GITHUB_API_TOKEN"
    ```
    Use the following environment variable:
-   ```bash
+   ```sh
    export SOURCES__GITHUB__ACCESS_TOKEN="your_token_here"
    ```
 
 
 1. When `dlt` evaluates the request `dlt.secrets["my_section.gcp_credentials"]` it must find the `private_key` for Google credentials. It looks for it as follows:
    1. It first searches for environment variable `MY_SECTION__GCP_CREDENTIALS__PRIVATE_KEY`  and if not found,
-   1. in `secrets.toml` file under `my_section.gcp_credentials.private_key`. 
+   1. in `secrets.toml` file under `my_section.gcp_credentials.private_key`.
 
    This way, `dlt` prioritizes security by using environment variables before looking into configuration files.
-   
+
 
 
 :::info