diff --git a/litex_boards/platforms/arty.py b/litex_boards/platforms/arty.py
index 78653df..cba7801 100644
--- a/litex_boards/platforms/arty.py
+++ b/litex_boards/platforms/arty.py
@@ -145,18 +145,18 @@ _io = [
     ),
 ]
 
-_sdcard_pmod_io = [ # https://store.digilentinc.com/pmod-microsd-microsd-card-slot/
+_sdcard_pmod_io = [
+    # SDCard PMOD on JD:
+    # - https://store.digilentinc.com/pmod-microsd-microsd-card-slot/
+    # - https://github.com/antmicro/arty-expansion-board
     ("spisdcard", 0,
-        Subsignal("clk",  Pins("C15")),
-        Subsignal("mosi", Pins("E16"), Misc("PULLUP True")),
-        Subsignal("cs_n", Pins("E15"), Misc("PULLUP True")),
-        Subsignal("miso", Pins("D15"), Misc("PULLUP True")),
+        Subsignal("clk",  Pins("F3")),
+        Subsignal("mosi", Pins("D3"), Misc("PULLUP True")),
+        Subsignal("cs_n", Pins("D4"), Misc("PULLUP True")),
+        Subsignal("miso", Pins("F4"), Misc("PULLUP True")),
         Misc("SLEW=FAST"),
         IOStandard("LVCMOS33"),
     ),
-    # Pmod JD:
-    # https://github.com/antmicro/arty-expansion-board
-    # https://store.digilentinc.com/pmod-microsd-microsd-card-slot/
     ("sdcard", 0,
         Subsignal("data", Pins("F4 E2 D2 D4")),
         Subsignal("cmd", Pins("D3")),