diff --git a/DIRECTORY.md b/DIRECTORY.md
index 9a336c1a5..ba455f2c1 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -170,10 +170,10 @@
   * [Binary Search](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/search/binary_search.cpp)
   * [Exponential Search](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/search/exponential_search.cpp)
   * [Hash Search](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/search/hash_search.cpp)
-  * [Interpolation Search](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/search/Interpolation%20Search.cpp)
   * [Interpolation Search](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/search/interpolation_search.cpp)
+  * [Interpolation Search2](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/search/interpolation_search2.cpp)
   * [Jump Search](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/search/jump_search.cpp)
-  * [Linear Search](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/search/Linear%20Search.cpp)
+  * [Linear Search](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/search/linear_search.cpp)
   * [Median Search](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/search/median_search.cpp)
   * [Searching](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/search/searching.cpp)
   * [Ternary Search](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/search/ternary_search.cpp)