diff --git a/doc/api/cli.md b/doc/api/cli.md
index 9434e19d3b73..ff89cc10524f 100644
--- a/doc/api/cli.md
+++ b/doc/api/cli.md
@@ -208,8 +208,8 @@ starting Node.js. The [`node:ffi`][] module also requires the
 Example:
 
 ```js
-const { DynamicLibrary } = require('node:ffi');
-const lib = new DynamicLibrary('mylib.so');
+const { DynamicLibrary, suffix } = require('node:ffi');
+const lib = new DynamicLibrary(`./mylib.${suffix}`);
 ```
 
 ```console
diff --git a/doc/node.1 b/doc/node.1
index 05b80da80a43..b14828ba9709 100644
--- a/doc/node.1
+++ b/doc/node.1
@@ -126,8 +126,8 @@ starting Node.js. The \fBnode:ffi\fR module also requires the
 \fB--experimental-ffi\fR flag and is only available in builds with FFI support.
 Example:
 .Bd -literal
-const { DynamicLibrary } = require('node:ffi');
-const lib = new DynamicLibrary('mylib.so');
+const { DynamicLibrary, suffix } = require('node:ffi');
+const lib = new DynamicLibrary(`./mylib.${suffix}`);
 .Ed
 .Bd -literal
 $ node --permission --experimental-ffi index.js