meh

diff --git a/doc/gpio.md b/doc/gpio.md
index 64f1d3932cda3954c773ceffe5c45d5becc210ce..3e403f3b4cda517aab4635a520bbc66fb519f25c 100644 (file)
--- a/doc/gpio.md
+++ b/doc/gpio.md
@@ -3,6 +3,8 @@ title: GPIO
 file: gpio.fs
 ---
 
+# GPIO
+
 The GPIO library provides a number of constants and words for working directly
 with the GPIO pins of the rp2040.
 
@@ -60,7 +62,7 @@ Display a list of all GPIO pins and their currently selected function.
 
 example:
 
-```
+```forth
 pins 
 0 2 
 1 2 
@@ -93,7 +95,6 @@ pins
 28 5 
 29 5 
  ok.
-
 ```
 
 ## Output