diff --git a/quantum/keymap.h b/quantum/keymap.h
index 98ddfd0c..4b2192cb 100644
--- a/quantum/keymap.h
+++ b/quantum/keymap.h
@@ -191,6 +191,7 @@ enum quantum_keycodes {
 #define HYPR(kc) (kc | QK_LCTL | QK_LSFT | QK_LALT | QK_LGUI)
 #define MEH(kc)  (kc | QK_LCTL | QK_LSFT | QK_LALT)
 #define LCAG(kc) (kc | QK_LCTL | QK_LALT | QK_LGUI)
+#define ALTG(kc) (kc | QK_RCTL | QK_RALT)
 
 #define MOD_HYPR 0xf
 #define MOD_MEH 0x7
diff --git a/readme.md b/readme.md
index d28d7c3f..f20ab41b 100644
--- a/readme.md
+++ b/readme.md
@@ -140,6 +140,9 @@ If this is a bit complex for you, Docker might be the turn-key solution you need
 
 docker run -e keymap=gwen -e keyboard=ergodox --rm -v $('pwd'):/qmk:rw edasque/qmk_firmware
 
+# On windows docker seems to have issue with VOLUME tag in Dockerfile, and $('pwd') won't print a windows compliant path, use full path instead like this
+docker run -e keymap=default -e keyboard=ergobop --rm -v D:/Users/Sacapuces/Documents/Repositories/qmk:/qmk:rw edasque/qmk_firmware
+
 ```
 
 This will compile the targetted keyboard/keymap and leave it in your QMK directory for you to flash.