diff -r aa8621b58cd7 -r 38b051dea6b1 docs/Writerside/topics/string.h.md
--- a/docs/Writerside/topics/string.h.md	Mon Dec 22 00:20:41 2025 +0100
+++ b/docs/Writerside/topics/string.h.md	Mon Dec 22 15:28:07 2025 +0100
@@ -196,17 +196,17 @@
 ```C
 #include <cx/string.h>
 
-cxmutstr cx_strreplace(cxstring str,
-        cxstring search, cxstring replacement);
+cxmutstr cx_strreplace(AnyStr str,
+        AnyStr search, AnyStr replacement);
 
-cxmutstr cx_strreplace_a(const CxAllocator *allocator, cxstring str,
-        cxstring search, cxstring replacement);
+cxmutstr cx_strreplace_a(const CxAllocator *allocator, AnyStr str,
+        AnyStr search, AnyStr replacement);
 
-cxmutstr cx_strreplacen(cxstring str,
-        cxstring search, cxstring replacement, size_t replmax);
+cxmutstr cx_strreplacen(AnyStr str,
+        AnyStr search, AnyStr replacement, size_t replmax);
 
-cxmutstr cx_strreplacen_a(const CxAllocator *allocator, cxstring str,
-        cxstring search, cxstring replacement, size_t replmax);
+cxmutstr cx_strreplacen_a(const CxAllocator *allocator, AnyStr str,
+        AnyStr search, AnyStr replacement, size_t replmax);
 ```
 
 The function `cx_strreplace()` allocates a new string which will contain a copy of `str`