diff --git a/dynamic_programming/longest_common_string.cpp b/dynamic_programming/longest_common_string.cpp
index bbea4a89a..4b9b23e68 100644
--- a/dynamic_programming/longest_common_string.cpp
+++ b/dynamic_programming/longest_common_string.cpp
@@ -126,7 +126,7 @@ void test_longest_common_string_length_for_reversed_inputs(
 }
 
 /**
- * @brief runns all tests for longest_common_string_length funcion
+ * @brief runs all tests for longest_common_string_length funcion
  */
 void tests() {
     const auto test_cases = get_test_cases();