diff --git a/maths/basetypes.h b/maths/mathtypes.h
similarity index 70%
rename from maths/basetypes.h
rename to maths/mathtypes.h
index a0d88c2..8dfdd5f 100644
--- a/maths/basetypes.h
+++ b/maths/mathtypes.h
@@ -1,9 +1,11 @@
 #ifndef _BASETYPES_H_
 #define _BASETYPES_H_
 
+// Coordinate types
 typedef short 			coord_t;
 typedef unsigned short 	ucoord_t;
 
+// Direction representation
 enum dir_t : char
 {
 	N = 'N',
diff --git a/maths/vector2.h b/maths/vector2.h
index 446a68d..fe00dec 100644
--- a/maths/vector2.h
+++ b/maths/vector2.h
@@ -1,7 +1,7 @@
 #ifndef _VECTOR2_H_
 #define _VECTOR2_H_
 
-#include "basetypes.h"
+#include "mathtypes.h"
 
 struct vector2
 {
diff --git a/ui/board.h b/ui/board.h
index d36ab3a..38703a4 100644
--- a/ui/board.h
+++ b/ui/board.h
@@ -2,7 +2,7 @@
 #define _BOARD_H_
 
 #include "gametypes.h"
-#include "basetypes.h"
+#include "mathtypes.h"
 
 #include <limits>       // std::numeric_limits
 #include <vector>   	// std::vector