1 files changed, 1 insertions, 1 deletions

diff --git a/p-spin.hpp b/p-spin.hpp
index 267ab91..88e6147 100644
--- a/p-spin.hpp
+++ b/p-spin.hpp
@@ -2,7 +2,7 @@
 
 #include <eigen3/Eigen/Dense>
 #include <iterator>
-#include<type_traits>
+#include <type_traits>
 
 #include "types.hpp"
 #include "tensor.hpp"