diff --git a/documentation/asciidoc/computers/raspberry-pi/otp-bits.adoc b/documentation/asciidoc/computers/raspberry-pi/otp-bits.adoc
index 46bb496dd..01fad8f68 100644
--- a/documentation/asciidoc/computers/raspberry-pi/otp-bits.adoc
+++ b/documentation/asciidoc/computers/raspberry-pi/otp-bits.adoc
@@ -110,7 +110,8 @@ This is passed to the operating system in the Device Tree, e.g. `/proc/device-tr
 This is passed to the operating system in the Device Tree, e.g. `/proc/device-tree/soc/serial@7d50c000/bluetooth/local-bd-address`
 
 `77-84`:: xref:raspberry-pi.adoc#industrial-use-of-the-raspberry-pi[customer OTP values]
-86:: board country - The default keyboard country code used by https://github.com/raspberrypi-ui/piwiz[piwiz]
+
+`86`:: board country - The default keyboard country code used by https://github.com/raspberrypi-ui/piwiz[piwiz]
 If set, this is available via Device Tree in `/proc/device-tree/chosen/rpi-country-code`
 
 `87-88`:: xref:raspberry-pi.adoc#industrial-use-of-the-raspberry-pi[customer Ethernet MAC address]
diff --git a/documentation/asciidoc/computers/raspberry-pi/revision-codes.adoc b/documentation/asciidoc/computers/raspberry-pi/revision-codes.adoc
index 168adcc57..79e929dbe 100644
--- a/documentation/asciidoc/computers/raspberry-pi/revision-codes.adoc
+++ b/documentation/asciidoc/computers/raspberry-pi/revision-codes.adoc
@@ -210,6 +210,10 @@ NOQuuuWuFMMMCCCCPPPPTTTTTTTTRRRR
 |
 | 5: 8GB
 
+|
+|
+| 6: 16GB
+
 | CCCC (bits 16-19)
 | Manufacturer
 | 0: Sony UK
diff --git a/lib/pico-sdk b/lib/pico-sdk
index e009cf5a5..ee68c78d0 160000
--- a/lib/pico-sdk
+++ b/lib/pico-sdk
@@ -1 +1 @@
-Subproject commit e009cf5a5ed48d34d9ba62f63d0496711f850542
+Subproject commit ee68c78d0afae2b69c03ae1a72bf5cc267a2d94c