UPD | docs: routers #4

Author: xiadnoring

src/ManapiString.cpp

@@ -170,7 +170,7 @@ ssize_t manapi::string::replace(std::string &s, std::string_view from, std::stri
 
         s.resize(s.size() + shift);
 
-        memmove(s.data() + it + shift, s.data() + it, s.size() - it);
+        memmove(s.data() + it + shift, s.data() + it, s.size() - it - shift);
         memcpy(s.data() + it, to.data(), to.size());
 
         res++;