When adding or editing tables in documentation, ensure the Markdown table is both syntactically continuous (so rows actually belong to the table) and stylististically consistent with existing docs.

Apply these rules:

Example (use the same structure/pattern as the surrounding docs):

Courses | Duration | Effort
:-- | :--: | :--:
[Machine Learning by Andrew Ng](https://www.coursera.org/learn/machine-learning) | - | -

If a row appears missing in the rendered preview, first check for stray/extra lines that break the table block, then verify the header/separator pattern matches the established one.