diff --git a/doc/user-guides/acrn-shell.rst b/doc/user-guides/acrn-shell.rst
index 4eac02ae2..d85c7d372 100644
--- a/doc/user-guides/acrn-shell.rst
+++ b/doc/user-guides/acrn-shell.rst
@@ -44,3 +44,9 @@ The ACRN hypervisor shell supports the following commands:
      - Display the CPUID leaf [subleaf], in hexadecimal
    * - reboot
      - Trigger a system reboot (immediately)
+   * - rdmsr [-p<pcpu_id>] <msr_index>
+     - Read the Model-Specific Register (MSR) at index ``msr_index`` (in
+       hexadecimal) for CPU ID ``pcpu_id``
+   * - wrmsr [-p<pcpu_id>] <msr_index> <value>
+     - Write ``value`` (in hexadecimal) to the Model-Specific Register (MSR) at
+       index ``msr_index`` (in hexadecimal) for CPU ID ``pcpu_id``