Fix typos

nodejs-examples/README.md

@@ -4,13 +4,15 @@ This folder contains examples about how to use the sherpa-ncnn WebAssembly modul
 with nodejs for speech recognition.
 
 - [decode-file.js](./decode-file.js) it shows how to decode a file
+- [real-time-speech-recognition-microphone.js](./real-time-speech-recognition-microphone.js) it shows
+  how to do real-time speech recognition with a microphone
 
 ## Usage
 
 ### Install dependencies
 
 ```bash
-cd ./nodejs-wasm-examples
+cd ./nodejs-examples
 npm i
 ```
 
@@ -22,7 +24,7 @@ select more models.
 The following is an example:
 
 ```bash
-cd ./nodejs-wasm-examples
+cd ./nodejs-examples
 wget https://github.com/k2-fsa/sherpa-ncnn/releases/download/models/sherpa-ncnn-streaming-zipformer-bilingual-zh-en-2023-02-13.tar.bz2
 tar xvf sherpa-ncnn-streaming-zipformer-bilingual-zh-en-2023-02-13.tar.bz2
 rm sherpa-ncnn-streaming-zipformer-bilingual-zh-en-2023-02-13.tar.bz2
@@ -31,11 +33,15 @@ rm sherpa-ncnn-streaming-zipformer-bilingual-zh-en-2023-02-13.tar.bz2
 ### Decode a file
 
 ```bash
+cd ./nodejs-examples
+
 node ./decode-file.js
 ```
 
 ### Real-time speech recognition from a microphone
 
 ```bash
+cd ./nodejs-examples
+
 node ./real-time-speech-recognition-microphone.js
 ```