diff --git a/docs/development/diagrams/comms.mmd b/docs/development/diagrams/comms.mmd
index 9c17e3ec..6cc1603c 100644
--- a/docs/development/diagrams/comms.mmd
+++ b/docs/development/diagrams/comms.mmd
@@ -29,7 +29,7 @@ flowchart LR
 
     subgraph Communication libraries
         subgraph USB
-            subgraph Linux
+            subgraph UNIX
                 libusb["libusb library"]
             end
             subgraph Windows
@@ -68,7 +68,7 @@ flowchart LR
 
     FX3-->|On Windows|Cypress-->SDR
     FT601-->|On Windows|FTD3XX-->SDRMini
-    FX3 & FT601-->|On Linux|libusb
+    FX3 & FT601-->|On UNIX|libusb
 
     libusb-->|Using FT601|SDRMini 
     libusb-->|Using FX3|SDR
diff --git a/docs/development/diagrams/trxlooper.mmd b/docs/development/diagrams/trxlooper.mmd
index f0c43670..4bcfdeac 100644
--- a/docs/development/diagrams/trxlooper.mmd
+++ b/docs/development/diagrams/trxlooper.mmd
@@ -13,7 +13,7 @@ flowchart LR
 
     subgraph Communication libraries
         subgraph USB
-            subgraph Linux
+            subgraph UNIX
                 libusb["libusb library"]
             end
             subgraph Windows
@@ -26,14 +26,14 @@ flowchart LR
         end
     end
 
-    TRXLooper-->TRXLooper_USB & TRXLooper_PCIE
+    TRXLooper-->IDMA
 
-    TRXLooper_PCIE-->LitePCIe-->litepcie-->X3 & XTRX & MMX8
-    TRXLooper_USB-->USBGeneric-.->FX3 & FT601
+    IDMA-.->LitePCIeDMA-->LitePCIe-->litepcie-->X3 & XTRX & MMX8
+    IDMA-.->USBDMAEmulation-->IUSB-.->FX3 & FT601
 
     FX3-->|On Windows|Cypress-->SDR
     FT601-->|On Windows|FTD3XX-->SDRMini
-    FX3 & FT601-->|On Linux|libusb
+    FX3 & FT601-->|On UNIX|libusb
 
     libusb-->|Using FT601|SDRMini 
     libusb-->|Using FX3|SDR