Dec 5, 2025 · YAML supports comments that allow you to add documentation to your files. Because YAML is often used to express complex IaC configurations, as well as general DevOps rules and …

Comments in YAML are used to add explanatory notes or temporarily disable code without deleting it. They are ignored by YAML parsers and are purely for human readers.

Nov 6, 2022 · YAML only supports single-line comments. All you have to do is to add # at the beginning of a line. You can also put it in the middle of a sentence. The text after # till the end of the line is …

One way to block commenting in YAML is by using a text editor like Notepad++ to add a # (comment) tag to multiple lines at once. In Notepad++ you can do that using the "Block Comment" right-click …

Mar 11, 2026 · Comments in YAML are essential for improving readability and providing explanations within your data files. They are ignored during parsing and do not affect the functionality of your …

YAML allows you to add comments to your documents to improve readability, provide explanations, or guide future editing. Comments in YAML are entirely ignored by parsers and are only meant for …

Apr 28, 2026 · Quick answer: How to comment in YAML Start a line with # and everything after the hash on that line is a comment. You can also place a comment after a value on the same line, separated …

Jun 30, 2023 · To add comments in YAML, you use the "#" symbol and are ignored by the interpreter when the code is executed. We add the symbol at the position we want the comment to start.

Apr 9, 2026 · Learn how to comment in YAML correctly — single-line syntax, block comment workarounds, where comments are forbidden, and when to strip them for production.

Now that you are comfortable with the syntax and basics of YAML, let us proceed further into its details. In this chapter, we will see how to use comments in YAML. YAML supports single line comments.