diff --git a/org/qmckl_numprec.org b/org/qmckl_numprec.org
index 3b73dc3..7c5f26f 100644
--- a/org/qmckl_numprec.org
+++ b/org/qmckl_numprec.org
@@ -250,19 +250,19 @@ qmckl_exit_code qmckl_set_numprec_range(const qmckl_context context, const int r
    # Fortran interface
    #+begin_src f90 :tangle (eval fh_func)
   interface
-     integer (qmckl_exit_code) function qmckl_numprec_set_range(context, range) bind(C)
+     integer (qmckl_exit_code) function qmckl_set_numprec_range(context, range) bind(C)
        use, intrinsic :: iso_c_binding
        import
        integer (qmckl_context), intent(in), value :: context
        integer (c_int32_t), intent(in), value :: range
-     end function qmckl_numprec_set_range
+     end function qmckl_set_numprec_range
   end interface
    #+end_src
 
    ~qmckl_get_numprec_range~ returns the value of the numerical range in the context.
 
   #+begin_src c :comments org :tangle (eval h_func) :exports none
-int32_t qmckl_get_numprec_get_range(const qmckl_context context);
+int32_t qmckl_get_numprec_range(const qmckl_context context);
   #+end_src
 
   # Source