diff --git a/source/numerics.tex b/source/numerics.tex
index b7170b5f41..d2bf01e4b9 100644
--- a/source/numerics.tex
+++ b/source/numerics.tex
@@ -2436,9 +2436,9 @@
 
  // \ref{rand.eng.mers}, class template mersenne_twister_engine
  template<class UIntType, size_t w, size_t n, size_t m, size_t r,
-          UIntType a, size_t u, UintType d, size_t s,
+          UIntType a, size_t u, UIntType d, size_t s,
           UIntType b, size_t t,
-          UIntType c, size_t l, UintType f>
+          UIntType c, size_t l, UIntType f>
    class mersenne_twister_engine;
 
  // \ref{rand.eng.sub}, class template subtract_with_carry_engine