diff --git a/docs/totalcompute/tc2/release_notes.rst b/docs/totalcompute/tc2/release_notes.rst
index dd9ba95924845782d81d27565cc7d472d9259814..e8e2da8a2ff50c8358e8958b5626686115301f49 100755
--- a/docs/totalcompute/tc2/release_notes.rst
+++ b/docs/totalcompute/tc2/release_notes.rst
@@ -76,7 +76,7 @@ Known issues or Limitations
  #. At the U-Boot prompt press enter and type "boot" to continue booting else wait
     for ~15 secs for boot to continue automatically. This is because of the time
     difference in CPU frequency and FVP operating frequency.
-
+ #. Ubuntu 22.04 is not supported in this release.
 
 Support
 -------
diff --git a/docs/totalcompute/tc2/user-guide.rst b/docs/totalcompute/tc2/user-guide.rst
index b5e88ca1f05765b7485cd5581630625c8b3225fa..32b915db8a80299baab61d50afeee1c18e5946aa 100755
--- a/docs/totalcompute/tc2/user-guide.rst
+++ b/docs/totalcompute/tc2/user-guide.rst
@@ -17,7 +17,7 @@ Prerequisites
 -------------
 
 These instructions assume that:
- * Your host PC is running a recent Ubuntu Linux (18.04, 20.04 or 22.04)
+ * Your host PC is running a recent Ubuntu Linux (18.04 or 20.04)
  * You are running the provided scripts in a ``bash`` shell environment.
 
 To get the latest repo tool from google, run the following commands: