diff -r 38b051dea6b1 -r db8299984bfe docs/Writerside/topics/string.h.md
--- a/docs/Writerside/topics/string.h.md	Mon Dec 22 15:28:07 2025 +0100
+++ b/docs/Writerside/topics/string.h.md	Mon Dec 22 15:47:59 2025 +0100
@@ -223,18 +223,18 @@
 ```C
 #include <cx/string.h>
 
-size_t cx_strsplit(cxstring string, cxstring delim,
+size_t cx_strsplit(cxstring string, AnyStr delim,
         size_t limit, cxstring *output);
 
 size_t cx_strsplit_a(const CxAllocator *allocator,
-        cxstring string, cxstring delim,
+        cxstring string, AnyStr delim,
         size_t limit, cxstring **output);
 
-size_t cx_strsplit_m(cxmutstr string, cxstring delim,
+size_t cx_strsplit_m(cxmutstr string, AnyStr delim,
         size_t limit, cxmutstr *output);
 
 size_t cx_strsplit_ma(const CxAllocator *allocator,
-        cxmutstr string, cxstring delim,
+        cxmutstr string, AnyStr delim,
         size_t limit, cxmutstr **output);
 ```