doc: improve description of --input-type

cola119 · cola119 · commit e1ac23f6a500 · 2022-06-21T12:27:58.000+09:00
diff --git a/doc/api/cli.md b/doc/api/cli.md
@@ -597,6 +597,8 @@ module. String input is input via `--eval`, `--print`, or `STDIN`.
 
 Valid values are `"commonjs"` and `"module"`. The default is `"commonjs"`.
 
+Repl does not support this option.
+
 ### `--inspect-brk[=[host:]port]`
 
 <!-- YAML
