diff --git a/docs/RISC-V64_QEMU.md b/docs/RISC-V64_QEMU.md
index c64e243..eb9bdb3 100644
--- a/docs/RISC-V64_QEMU.md
+++ b/docs/RISC-V64_QEMU.md
@@ -1,6 +1,6 @@
 ## RISC-V64 QEMU VM Example
 
-- ENV: Ubuntu 1804 X86
+- **ENV:** Ubuntu 1804 X86_64
 
 ----