FAQ.md: Do I need to add headers to sources? [skip ci]

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@@ -403,6 +403,24 @@ kwarg to `''` and the [`name_suffix:`](https://mesonbuild.com/Reference-manual.h
 kwarg to `'lib'`. To get the default behaviour for each, you can either not
 specify the kwarg, or pass `[]` (an empty array) to it.
 
+## Do I need to add my headers to the sources list like in Autotools?
+
+Autotools requires you to add private and public headers to the sources list so
+that it knows what files to include in the tarball generated by `make dist`.
+Meson's `dist` command simply gathers everything committed to your git/hg
+repository and adds it to the tarball, so adding headers to the sources list is
+pointless.
+
+Meson uses Ninja which uses compiler dependency information to automatically
+figure out dependencies between C sources and headers, so it will rebuild
+things correctly when a header changes.
+
+The only exception to this are generated headers, for which you must [declare
+dependencies correctly](#how-do-i-tell-meson-that-my-sources-use-generated-headers).
+
+If, for whatever reason, you do add non-generated headers to the sources list
+of a target, Meson will simply ignore them.
+
 ## How do I tell Meson that my sources use generated headers?
 
 Let's say you use a [`custom_target()`](https://mesonbuild.com/Reference-manual.html#custom_target)