Fix for broken link in readme.

diff --git a/keyboard/planck/PCB_GUIDE.md b/keyboard/planck/PCB_GUIDE.md
index 9ff12d4852a4bfa2b86aeea1018c6bfcd96714d5..8048cbe8df6f1f674246b0a9a34c18e6ef536772 100644 (file)
--- a/keyboard/planck/PCB_GUIDE.md
+++ b/keyboard/planck/PCB_GUIDE.md
@@ -51,7 +51,7 @@ Generally, the instructions to flash the PCB are as follows:
 
 ### Keymap
 
-Unlike the other keymaps, prefixing the keycodes with `KC_` is required. A full list of the keycodes is available [here](https://github.com/jackhumbert/qmk_firmware/blob/master/doc/keycode.txt). For the keycodes available only in the extended keymap, see this [header file](https://github.com/jackhumbert/qmk_firmware/blob/master/quantum/keymap_common.h).
+Unlike the other keymaps, prefixing the keycodes with `KC_` is required. A full list of the keycodes is available [here](https://github.com/jackhumbert/qmk_firmware/blob/master/tmk_core/doc/keycode.txt). For the keycodes available only in the extended keymap, see this [header file](https://github.com/jackhumbert/qmk_firmware/blob/master/quantum/keymap_common.h).
 
 You can use modifiers with keycodes like this: