fixed typo

diff --git a/ginac/numeric.cpp b/ginac/numeric.cpp
index 022993d03d2ba29ec1e19c34ce191143bb656533..b6c95e01e0c9854ee3e2ab7f97156b6966afc573 100644 (file)
--- a/ginac/numeric.cpp
+++ b/ginac/numeric.cpp
@@ -1628,7 +1628,7 @@ const numeric binomial(const numeric &n, const numeric &k)
                }
        }
        
-       // should really be gamma(n+1)/gamma(r+1)/gamma(n-r+1) or a suitable limit
+       // should really be gamma(n+1)/gamma(k+1)/gamma(n-k+1) or a suitable limit
        throw std::range_error("numeric::binomial(): don´t know how to evaluate that.");
 }