diff --git a/lib/serialisation/MacroMagic.h b/lib/serialisation/MacroMagic.h
index f1ef051c..8410b085 100644
--- a/lib/serialisation/MacroMagic.h
+++ b/lib/serialisation/MacroMagic.h
@@ -18,6 +18,28 @@
 //
 // https://github.com/18sg/uSHET/blob/master/lib/cpp_magic.h
 //
+// The cpp_magic.h license (prior to my modifications):
+/*
+Copyright (c) 2014 Thomas Nixon, Jonathan Heathcote
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to deal
+  in the Software without restriction, including without limitation the rights
+  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+  copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
 ///////////////////////////////////////////
 
 #define strong_inline __attribute__((always_inline)) inline
@@ -82,6 +104,10 @@
 
 #define _GRID_MACRO_MAP() GRID_MACRO_MAP
 
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// These are the Grid extensions to serialisation (beyond popping first AND second)
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
 #define GRID_MACRO_MEMBER(A,B)        A B;
 
 #define GRID_MACRO_OS_WRITE_MEMBER(A,B) os<< #A <<" "#B <<" = "<< obj. B <<" ; " <<std::endl;