diff --git a/data/registers/eth_v1a.yaml b/data/registers/eth_v1a.yaml
index 1e9be4d..3b6a9bf 100644
--- a/data/registers/eth_v1a.yaml
+++ b/data/registers/eth_v1a.yaml
@@ -187,14 +187,14 @@ block/ETHERNET_MAC:
     access: Read
     fieldset: MMCRGUFCR
   - name: MACAHR
-    description: Ethernet MAC address 1 high register
+    description: Ethernet MAC address 1/2/3 high register
     array:
       len: 3
       stride: 8
     byte_offset: 72
     fieldset: MACAHR
   - name: MACALR
-    description: Ethernet MAC address1 low register
+    description: Ethernet MAC address 1/2/3 low register
     array:
       len: 3
       stride: 8
@@ -596,7 +596,7 @@ fieldset/MACA0HR:
   description: Ethernet MAC address 0 high register
   fields:
   - name: MACA0H
-    description: MAC address0 high
+    description: MAC address 0 high
     bit_offset: 0
     bit_size: 16
   - name: MO
@@ -607,14 +607,14 @@ fieldset/MACA0LR:
   description: Ethernet MAC address 0 low register
   fields:
   - name: MACA0L
-    description: '0'
+    description: Ethernet MAC address 0 low
     bit_offset: 0
     bit_size: 32
 fieldset/MACAHR:
-  description: Ethernet MAC address 3 high register
+  description: Ethernet MAC address 1/2/3 high register
   fields:
   - name: MACAH
-    description: MACA3H
+    description: Ethernet MAC address 1/2/3 high
     bit_offset: 0
     bit_size: 16
   - name: MBC
@@ -631,10 +631,10 @@ fieldset/MACAHR:
     bit_offset: 31
     bit_size: 1
 fieldset/MACALR:
-  description: Ethernet MAC address 2 low register
+  description: Ethernet MAC address 1/2/3 low register
   fields:
   - name: MACAL
-    description: MACA2L
+    description: Ethernet MAC address 1/2/3 low
     bit_offset: 0
     bit_size: 32
 fieldset/MACCR:
diff --git a/data/registers/eth_v1b.yaml b/data/registers/eth_v1b.yaml
index 23cd8aa..12aa052 100644
--- a/data/registers/eth_v1b.yaml
+++ b/data/registers/eth_v1b.yaml
@@ -191,14 +191,14 @@ block/ETHERNET_MAC:
     access: Read
     fieldset: MMCRGUFCR
   - name: MACAHR
-    description: Ethernet MAC address 1 high register
+    description: Ethernet MAC address 1/2/3 high register
     array:
       len: 3
       stride: 8
     byte_offset: 72
     fieldset: MACAHR
   - name: MACALR
-    description: Ethernet MAC address1 low register
+    description: Ethernet MAC address 1/2/3 low register
     array:
       len: 3
       stride: 8
@@ -616,7 +616,7 @@ fieldset/MACA0HR:
   description: Ethernet MAC address 0 high register
   fields:
   - name: MACA0H
-    description: MAC address0 high
+    description: Ethernet MAC address 0 high
     bit_offset: 0
     bit_size: 16
   - name: MO
@@ -627,14 +627,14 @@ fieldset/MACA0LR:
   description: Ethernet MAC address 0 low register
   fields:
   - name: MACA0L
-    description: '0'
+    description: Ethernet MAC address 0 low
     bit_offset: 0
     bit_size: 32
 fieldset/MACAHR:
-  description: Ethernet MAC address 2 high register
+  description: Ethernet MAC address 1/2/3 high register
   fields:
   - name: MACAH
-    description: MAC2AH
+    description: Ethernet MAC address 1/2/3 high
     bit_offset: 0
     bit_size: 16
   - name: MBC
@@ -651,10 +651,10 @@ fieldset/MACAHR:
     bit_offset: 31
     bit_size: 1
 fieldset/MACALR:
-  description: Ethernet MAC address1 low register
+  description: Ethernet MAC address 1/2/3 low register
   fields:
   - name: MACAL
-    description: MACA1LR
+    description: Ethernet MAC address 1/2/3 low
     bit_offset: 0
     bit_size: 32
 fieldset/MACCR:
diff --git a/data/registers/eth_v1c.yaml b/data/registers/eth_v1c.yaml
index 622c02e..df047c2 100644
--- a/data/registers/eth_v1c.yaml
+++ b/data/registers/eth_v1c.yaml
@@ -191,14 +191,14 @@ block/ETHERNET_MAC:
     access: Read
     fieldset: MMCRGUFCR
   - name: MACAHR
-    description: Ethernet MAC address 1 high register
+    description: Ethernet MAC address 1/2/3 high register
     array:
       len: 3
       stride: 8
     byte_offset: 72
     fieldset: MACAHR
   - name: MACALR
-    description: Ethernet MAC address1 low register
+    description: Ethernet MAC address 1/2/3 low register
     array:
       len: 3
       stride: 8
@@ -616,7 +616,7 @@ fieldset/MACA0HR:
   description: Ethernet MAC address 0 high register
   fields:
   - name: MACA0H
-    description: MAC address0 high
+    description: Ethernet MAC address 0 high
     bit_offset: 0
     bit_size: 16
   - name: MO
@@ -627,14 +627,14 @@ fieldset/MACA0LR:
   description: Ethernet MAC address 0 low register
   fields:
   - name: MACA0L
-    description: '0'
+    description: Ethernet MAC address 0 low
     bit_offset: 0
     bit_size: 32
 fieldset/MACAHR:
-  description: Ethernet MAC address 3 high register
+  description: Ethernet MAC address 1/2/3 high register
   fields:
   - name: MACAH
-    description: MACA3H
+    description: Ethernet MAC address 1/2/3 high
     bit_offset: 0
     bit_size: 16
   - name: MBC
@@ -651,10 +651,10 @@ fieldset/MACAHR:
     bit_offset: 31
     bit_size: 1
 fieldset/MACALR:
-  description: Ethernet MAC address 3 low register
+  description: Ethernet MAC address 1/2/3 low register
   fields:
   - name: MACAL
-    description: MBCA3L
+    description: thernet MAC address 1/2/3 low
     bit_offset: 0
     bit_size: 32
 fieldset/MACCR: