doc(NodeIO): Correct writeLocalFileSync spelling

Author: thewtex

doc/content/api/node_io.md

@@ -23,9 +23,9 @@ Write an image to a file on the local filesystem with Node.js.
 *imageOrMesh*:    [itk/Image](./Image.html) or [itk/Mesh](./Mesh.html) instance to write
 *filePath*:       path to the file on the local filesystem
 
-## writeFileSync(useCompression, image, filePath) -> null
+## writeLocalFileSync(useCompression, image, filePath) -> null
 
-Similar to `writeImageLocalFile`, but synchronous.
+Similar to `writeLocalFile`, but synchronous.
 
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