diff --git a/src/hasp_dispatch.h b/src/hasp_dispatch.h
index 5fe9b3b4..c1a82ba8 100644
--- a/src/hasp_dispatch.h
+++ b/src/hasp_dispatch.h
@@ -20,6 +20,6 @@ void dispatchIdle(const __FlashStringHelper * state);
 void dispatchReboot(bool saveConfig);
 void dispatchStatusUpdate(void);
 
-void dispatchButton(uint8_t i, bool pressed);
+void dispatchButton(uint8_t id, char * event);
 
 #endif
\ No newline at end of file
diff --git a/src/hasp_http.cpp b/src/hasp_http.cpp
index 3cc41499..c2ee6a39 100644
--- a/src/hasp_http.cpp
+++ b/src/hasp_http.cpp
@@ -280,6 +280,8 @@ void webHandleAbout()
     httpMessage += FPSTR(MIT_LICENSE);
     httpMessage += F("<p><h3>QR Code generator</h3>Copyright&copy; Project Nayuki");
     httpMessage += FPSTR(MIT_LICENSE);
+    httpMessage += F("<p><h3>AceButton</h3>Copyright&copy; 2018 Brian T. Park");
+    httpMessage += FPSTR(MIT_LICENSE);
 
     httpMessage += FPSTR(MAIN_MENU_BUTTON);