diff --git a/doc/getting-started/sample-app.rst b/doc/getting-started/sample-app.rst
index d94fcc1d3..6c292f1d9 100644
--- a/doc/getting-started/sample-app.rst
+++ b/doc/getting-started/sample-app.rst
@@ -556,7 +556,7 @@ Install and Run ACRN on the Target System
 
       ubuntu login: root
       Password:
-      Welcome to Ubuntu 20.04.04 LTS (GNU/Linux 5.15.0-46-generic x86_64)
+      Welcome to Ubuntu 20.04.5 LTS (GNU/Linux 5.15.0-46-generic x86_64)
 
       . . .
 
@@ -606,7 +606,7 @@ Install and Run ACRN on the Target System
 
       ubuntu login: root
       Password:
-      Welcome to Ubuntu 20.04.04 LTS (GNU/Linux 5.10.120-rt70-acrn-kernel-rtvm X86_64)
+      Welcome to Ubuntu 20.04.5 LTS (GNU/Linux 5.10.120-rt70-acrn-kernel-rtvm X86_64)
 
       . . .