diff --git a/src/numbers/find_primes.hpp b/src/numbers/find_primes.hpp
index 5837fd0..fa8f6ba 100644
--- a/src/numbers/find_primes.hpp
+++ b/src/numbers/find_primes.hpp
@@ -3,6 +3,7 @@
 #include <vector>
 
 // находит все простые числа от 0 до n
+// Решето Эратосфена
 namespace alg
 {
   inline std::vector<int> find_primes(int n)
diff --git a/src/search/grphs/dept.hpp b/src/search/grphs/dept.hpp
new file mode 100644
index 0000000..816a3ec
--- /dev/null
+++ b/src/search/grphs/dept.hpp
@@ -0,0 +1,7 @@
+#pragma once
+
+
+namespace alg::search
+{
+
+}