some cleanup

Author: d3cod3

src/objects/sound/NoteToFrequency.cpp

@@ -34,6 +34,8 @@
 
 #include "NoteToFrequency.h"
 
+// https://pages.mtu.edu/~suits/notefreqs.html
+
 string notation[NOTES]	 = {"C1","C#1","D1","D#1","E1","F1","F#1","G1","G#1","A1","A#1","B1",
                             "C2","C#2","D2","D#2","E2","F2","F#2","G2","G#2","A2","A#2","B2",
                             "C3","C#3","D3","D#3","E3","F3","F#3","G3","G#3","A3","A#3","B3",

src/objects/sound/pdspAHR.cpp

@@ -222,7 +222,7 @@ void pdspAHR::drawObjectNodeGui( ImGuiEx::NodeCanvas& _nodeCanvas ){
 void pdspAHR::drawObjectNodeConfig(){
     ImGuiEx::ObjectInfo(
                 "Standard AHR envelope.",
-                "https://mosaic.d3cod3.org/reference.php?r=ahr-envelop", scaleFactor);
+                "https://mosaic.d3cod3.org/reference.php?r=ahr-envelope", scaleFactor);
 }
 
 //--------------------------------------------------------------