Update ComplexEigenSolver_eigenvectors.cpp
diff --git a/doc/snippets/ComplexEigenSolver_eigenvectors.cpp b/doc/snippets/ComplexEigenSolver_eigenvectors.cpp
index bb1c2cc..adeed9a 100644
--- a/doc/snippets/ComplexEigenSolver_eigenvectors.cpp
+++ b/doc/snippets/ComplexEigenSolver_eigenvectors.cpp
@@ -1,4 +1,4 @@
 MatrixXcf ones = MatrixXcf::Ones(3,3);
 ComplexEigenSolver<MatrixXcf> ces(ones);
 cout << "The first eigenvector of the 3x3 matrix of ones is:" 
-     << endl << ces.eigenvectors().col(1) << endl;
+     << endl << ces.eigenvectors().col(0) << endl;