diff --git a/doc/api/cli.md b/doc/api/cli.md
index 61a047e5ac159f..ce6786a1785aff 100644
--- a/doc/api/cli.md
+++ b/doc/api/cli.md
@@ -3056,6 +3056,10 @@ Use `--watch-path` to specify what paths to watch.
 This flag cannot be combined with
 `--check`, `--eval`, `--interactive`, or the REPL.
 
+Note: The `--watch` flag requires a file path as an argument and is incompatible
+with `--run` or inline script input, as `--run` takes precedence and ignores watch
+mode. If no file is provided, Node.js will exit with status code `9`.
+
 ```bash
 node --watch index.js
 ```
@@ -3083,6 +3087,9 @@ combination with `--watch`.
 This flag cannot be combined with
 `--check`, `--eval`, `--interactive`, `--test`, or the REPL.
 
+Note: Using `--watch-path` implicitly enables `--watch`, which requires a file path
+and is incompatible with `--run`, as `--run` takes precedence and ignores watch mode.
+
 ```bash
 node --watch-path=./src --watch-path=./tests index.js
 ```