Update contributing guidelines

Author: szarnyasg

CONTRIBUTING.md

@@ -68,7 +68,7 @@ Some of this style guide is automated with GitHub Actions, but feel free to run
 * Code blocks using the `batch` language tag automatically receive `$` prompt when rendered. To typeset a Bash code block without a prompt, use the `bash` language tag (e.g., \`\`\`batch CODE\`\`\`). The two use the same syntax highlighter, the only difference is the absence of the prompt.
 * To display blocks of text without a language (e.g., output of a script), use \`\`\`text OUTPUT\`\`\`.
 * To display error messages, use \`\`\`console ERROR MESSAGE\`\`\`.
-* Quoted blocks (lines starting with `>`) are rendered as [a colored box](https://duckdb.org/docs/data/insert). The following box types are available: `Note` (default), `Warning`, `Tip`, `Bestpractice`, `Deprecated`.
+* Quoted blocks (lines starting with `>`) are rendered as [colored boxed](https://duckdb.org/docs/stable/data/insert). The following box types are available: `Note` (default), `Warning`, `Tip`, `Bestpractice`, `Deprecated`.
 * Always format SQL code, variable names, function names, etc. as code. For example, when talking about the `CREATE TABLE` statement, the keywords should be formatted as code.
 * When presenting SQL statements, do not include the DuckDB prompt (`D `).
 * SQL statements should end with a semicolon (`;`) to allow readers to quickly paste them into a SQL console.
@@ -155,8 +155,8 @@ Some of this style guide is automated with GitHub Actions, but feel free to run
 
 ## Preview, Stable and Versioned Pages
 
-* The `preview` pages under <https://duckdb.org/docs/preview/> contains documentation for the latest preview (nightly) release of DuckDB. Most pull requests should target these pages. Pull requests documenting new features must target these pages.
-* The `stable` pages under <https://duckdb.org/docs/stable/> contain documentation for the latest stable release of DuckDB (e.g., v1.2).
+* The `preview` pages under <https://duckdb.org/docs/preview/> contains documentation for the latest preview (nightly) release of DuckDB.
+* The `stable` pages under <https://duckdb.org/docs/stable/> contain documentation for the latest stable release of DuckDB (e.g., v1.2). **Most pull requests should target these pages.**
 * The versioned pages (e.g., <https://duckdb.org/docs/v1.0/>) contain documentation for old stable versions of DuckDB. We generally only accept contributions to the latest stable version. Older pages are only maintained if they contain a critical error.
 
 ## Generated Pages