Update README.md

1 files changed, 1 insertions, 1 deletions

diff --git a/Sem. 10/README.md b/Sem. 10/README.md
index 87e5a58..e36bafc 100644
--- a/Sem. 10/README.md
+++ b/Sem. 10/README.md
@@ -96,7 +96,7 @@ public:
 using namespace std;
 
 template <class T>
-T sum(T a, T b)
+T sum(const T& a, const T& b)
 {
     return a + b;
 }