diff -r db8299984bfe -r 6a842bd49fea docs/Writerside/topics/map.h.md
--- a/docs/Writerside/topics/map.h.md	Mon Dec 22 15:47:59 2025 +0100
+++ b/docs/Writerside/topics/map.h.md	Mon Dec 22 16:12:20 2025 +0100
@@ -62,7 +62,7 @@
     // Iterate through the contact list
     CxMapIterator iter = cxMapIterator(contacts);
     cx_foreach(CxMapEntry *, entry, iter) {
-        cxstring name = cx_strn(entry->key->data, entry->key->len);
+        cxstring name = cx_hash_key_as_string(entry->key);
         const char *phone = entry->value;
         printf("%" CX_PRIstr ": %s\n", CX_SFMT(name), phone);
     }
@@ -160,8 +160,7 @@
                 // Almost the same iteration loop as above ...
                 CxMapIterator iter = cxMapIterator(contacts);
                 cx_foreach(CxMapEntry *, entry, iter) {
-                    cxstring name = cx_strn(entry->key->data,
-                                            entry->key->len);
+                    cxstring name = cx_hash_key_as_string(entry->key);
                     // ... except that here we get cxmutstr*
                     cxmutstr *phone = entry->value;
                     printf("%" CX_PRIstr ": %" CX_PRIstr "\n",