diff --git a/build/README.md b/build/README.md
index cea2e55b5d..280be2e990 100644
--- a/build/README.md
+++ b/build/README.md
@@ -49,7 +49,7 @@ Milvus' computing operations depend on CPU’s support for SIMD (Single Instruct
 Run the lscpu command to check if your CPU supports the SIMD instruction sets mentioned above:
 
 ```
-$ lscpu | grep -e sse4_2 -e avx -e avx2 -e avx512
+lscpu | grep -e sse4_2 -e avx -e avx2 -e avx512
 ```
 </details>