Update doc/api/cli.md

doc/api/cli.md

@@ -1377,7 +1377,7 @@ The default is `"commonjs"`.
 If `--experimental-strip-types` is enabled and `--input-type`is not provided, Node.js will first try to run the code as JavaScript,
 then it will try to run the code as TypeScript.
 When using TypeScript, the `--input-type=type` flag should be used,
-to reduce the overhead of multiple syntax detection.
+to reduce the overhead of multiple syntax detections.
 
 The REPL does not support this option. Usage of `--input-type=module` with
 [`--print`][] will throw an error, as `--print` does not support ES module