diff -r e3009345984b -r 424b5b74a68f src/cx/common.h
--- a/src/cx/common.h	Fri Dec 20 16:51:01 2024 +0100
+++ b/src/cx/common.h	Fri Dec 20 16:53:46 2024 +0100
@@ -103,8 +103,14 @@
 // ---------------------------------------------------------------------------
 
 #if INTPTR_MAX == INT64_MAX
+/**
+ * The address width in bits on this platform.
+ */
 #define CX_WORDSIZE 64
 #elif INTPTR_MAX == INT32_MAX
+/**
+ * The address width in bits on this platform.
+ */
 #define CX_WORDSIZE 32
 #else
 #error Unknown pointer size or missing size macros!