diff --git a/docs/plat/index.rst b/docs/plat/index.rst
index fc3effd6e..f135ca2ae 100644
--- a/docs/plat/index.rst
+++ b/docs/plat/index.rst
@@ -73,9 +73,9 @@ Deprecated platforms
 +----------------+----------------+--------------------+--------------------+
 |    mt6795      |      MTK       |        2.5         |       2.7          |
 +----------------+----------------+--------------------+--------------------+
-|    sgi575      |      Arm       |        2.8         |       2.10         |
+|    sgi575      |      Arm       |        2.8         |       TBD          |
 +----------------+----------------+--------------------+--------------------+
-|    rdn1edge    |      Arm       |        2.8         |       2.10         |
+|    rdn1edge    |      Arm       |        2.8         |       TBD          |
 +----------------+----------------+--------------------+--------------------+
 |    tc0         |      Arm       |        2.8         |       2.10         |
 +----------------+----------------+--------------------+--------------------+