diff --git a/README.rst b/README.rst
index bb67b57..10ea35d 100644
--- a/README.rst
+++ b/README.rst
@@ -142,57 +142,57 @@ Supported microarchitectures
 -----------------------------
 **x86 CPUs**
 
-+----------+----------------+------------+
-| Designer | Model/microarch| OSACA flag |
-+==========+================+============+
-| |        | Sandy Bridge   |  ``SNB``   |
-| |        +----------------+------------+
-| |        | Ivy Bridge     |  ``IVB``   |
-| |        +----------------+------------+
-| |        | Haswell        |  ``HSW``   |
-| |        +----------------+------------+
-| |        | Broadwell      |  ``BDW``   |
-| |        +----------------+------------+
-| |        | Skylake-X      |  ``SKX``   |
-| | Intel  +----------------+------------+
-| |        | Cascadelake-X  |  ``CSX``   |
-| |        +----------------+------------+
-| |        | Icelake client |  ``ICL``   |
-| |        +----------------+------------+
-| |        | Icelake server |  ``ICX``   |
-| |        +----------------+------------+
-| |        | Sapphire Rapids|  ``SPR``   |
-+----------+----------------+------------+
-| |        | Naples / Zen 1 |  ``ZEN1``  |
-| |        +----------------+------------+
-| | AMD    | Rome / Zen 2   |  ``ZEN2``  |
-| |        +----------------+------------+
-| |        | Milan / Zen 3  |  ``ZEN3``  |
-+----------+----------------+------------+
++----------+-----------------+------------+
+| Designer | Model/microarch | OSACA flag |
++==========+=================+============+
+| Intel    | Sandy Bridge    | ``SNB``    |
++----------+-----------------+------------+
+| Intel    | Ivy Bridge      | ``IVB``    |
++----------+-----------------+------------+
+| Intel    | Haswell         | ``HSW``    |
++----------+-----------------+------------+
+| Intel    | Broadwell       | ``BDW``    |
++----------+-----------------+------------+
+| Intel    | Skylake-X       | ``SKX``    |
++----------+-----------------+------------+
+| Intel    | Cascadelake-X   | ``CSX``    |
++----------+-----------------+------------+
+| Intel    | Icelake client  | ``ICL``    |
++----------+-----------------+------------+
+| Intel    | Icelake server  | ``ICX``    |
++----------+-----------------+------------+
+| Intel    | Sapphire Rapids | ``SPR``    |
++----------+-----------------+------------+
+| AMD      | Naples / Zen 1  | ``ZEN1``   |
++----------+-----------------+------------+
+| AMD      | Rome / Zen 2    | ``ZEN2``   |
++----------+-----------------+------------+
+| AMD      | Milan / Zen 3   | ``ZEN3``   |
++----------+-----------------+------------+
 
 **ARM AArch64 CPUs**
 
 +-----------+-------------------+-------------+
 | Designer  | Model/microarch   | OSACA flag  |
 +===========+===================+=============+
-| |         | Cortex-A72        |  ``A72``    |
-| |         +-------------------+-------------+
-| | ARM     | Neoverse N1       |  ``N1``     |
-| |         +-------------------+-------------+
-| |         | Neoverse V2       |  ``V2``     |
+| ARM       | Cortex-A72        | ``A72``     |
 +-----------+-------------------+-------------+
-| Marvell   | ThunderX2         |  ``TX2``    |
+| ARM       | Neoverse N1       | ``N1``      |
 +-----------+-------------------+-------------+
-| Fujitsu   | FX700/A64FX       |  ``A64FX``  |
+| ARM       | Neoverse V2       | ``V2``      |
 +-----------+-------------------+-------------+
-| HiSilicon | TaiShan v110      |  ``TSV110`` |
+| Marvell   | ThunderX2         | ``TX2``     |
 +-----------+-------------------+-------------+
-| Apple     | M1-Firestorm      |  ``M1``     |
+| Fujitsu   | FX700/A64FX       | ``A64FX``   |
 +-----------+-------------------+-------------+
-| NVIDIA    | Neoverse V2/Grace |  ``V2``     |
+| HiSilicon | TaiShan v110      | ``TSV110``  |
++-----------+-------------------+-------------+
+| Apple     | M1-Firestorm      | ``M1``      |
++-----------+-------------------+-------------+
+| NVIDIA    | Neoverse V2/Grace | ``V2``      |
 +-----------+-------------------+-------------+
 
-______________________
+----
 
 Hereinafter OSACA's scope of function will be described.