diff --git a/doc/snippets/Tutorial_AdvancedInitialization_Join.cpp b/doc/snippets/Tutorial_AdvancedInitialization_Join.cpp
index 84e8715cb..55a21539d 100644
--- a/doc/snippets/Tutorial_AdvancedInitialization_Join.cpp
+++ b/doc/snippets/Tutorial_AdvancedInitialization_Join.cpp
@@ -3,7 +3,7 @@ vec1 << 1, 2, 3;
 std::cout << "vec1 = " << vec1 << std::endl;
 
 RowVectorXd vec2(4);
-vec2 << 1, 4, 9, 16;;
+vec2 << 1, 4, 9, 16;
 std::cout << "vec2 = " << vec2 << std::endl;
 
 RowVectorXd joined(7);