diff --git a/demos/speech_recognition/README.md b/demos/speech_recognition/README.md
index 1059a0c105359ac42f168afde75c2f9f5340f732..738acdc5ce6b4d59cc47fa930e911f64ecd90d55 100644
--- a/demos/speech_recognition/README.md
+++ b/demos/speech_recognition/README.md
@@ -1,5 +1,5 @@
 ([简体中文](./README_cn.md)|English)
-# ASR(Automatic Speech Recognition)
+# ASR (Automatic Speech Recognition)
 
 ## Introduction
 ASR, or Automatic Speech Recognition, refers to the problem of getting a program to automatically transcribe spoken language (speech-to-text).