diff --git a/docs/features/leader_key.md b/docs/features/leader_key.md
index 423f55b7e84..9f9086e1ae0 100644
--- a/docs/features/leader_key.md
+++ b/docs/features/leader_key.md
@@ -154,11 +154,16 @@ User callback, invoked when the leader sequence ends.
 
 ---
 
-### `bool leader_add_user(void)` {#api-leader-add-user}
+### `bool leader_add_user(uint16_t keycode)` {#api-leader-add-user}
 
 User callback, invoked when a keycode is added to the leader sequence.
 
-#### Return Value {#api-leader-sequence-add-return}
+#### Arguments {#api-leader-add-user-arguments}
+
+ - `uint16_t keycode`  
+   The keycode to added to the leader sequence.
+
+#### Return Value {#api-leader-add-user-return}
 
 `true` to finish the key sequence, `false` to continue.
 
diff --git a/quantum/leader.c b/quantum/leader.c
index 2f24ebfe805..4016c934cc0 100644
--- a/quantum/leader.c
+++ b/quantum/leader.c
@@ -21,7 +21,7 @@ __attribute__((weak)) void leader_start_user(void) {}
 
 __attribute__((weak)) void leader_end_user(void) {}
 
-__attribute__((weak)) bool leader_add_user(void) { return false; }
+__attribute__((weak)) bool leader_add_user(uint16_t keycode) { return false; }
 
 void leader_start(void) {
     if (leading) {
@@ -63,7 +63,7 @@ bool leader_sequence_add(uint16_t keycode) {
     leader_sequence[leader_sequence_size] = keycode;
     leader_sequence_size++;
 
-    if (leader_add_user()) {
+    if (leader_add_user(keycode)) {
         leader_end();
     }
     return true;
diff --git a/quantum/leader.h b/quantum/leader.h
index c54364030fe..fba6b287ba3 100644
--- a/quantum/leader.h
+++ b/quantum/leader.h
@@ -24,9 +24,11 @@ void leader_end_user(void);
 /**
  * \brief User callback, invoked when a keycode is added to the leader sequence.
  *
+ * \param keycode The keycode added to the leader sequence.
+ *
  * \return `true` to finish the key sequence, `false` to continue.
  */
-bool leader_add_user(void);
+bool leader_add_user(uint16_t keycode);
 
 /**
  * Begin the leader sequence, resetting the buffer and timer.