diff --git a/C++/README.md b/C++/README.md
index 29ace4c..63d3526 100644
--- a/C++/README.md
+++ b/C++/README.md
@@ -32,7 +32,7 @@
 | [Program-23](https://github.com/swaaz/basicprograms/blob/814a1e60ae23d81158d8174666f23c9b7419e15e/C++/Program%2023/sum_of_square_of_binomial_coefficient.cpp) | To find the sum of square of binomial coefficient Input(integer input) |
 | [Program-24](https://github.com/swaaz/basicprograms/blob/814a1e60ae23d81158d8174666f23c9b7419e15e/C++/Program_24/HexaDecimal-Decimal.cpp) | Program to convert Hexa-Decimal number to Decimal number |
 | [Program-25](https://github.com/swaaz/basicprograms/blob/814a1e60ae23d81158d8174666f23c9b7419e15e/C++/Program_25/Queues_Using_Linked_Lists.cpp) | Program to Implement Queue Data Structure Using Linked Lists |
-| [Program-26](https://github.com/swaaz/basicprograms/blob/814a1e60ae23d81158d8174666f23c9b7419e15e/C++/Program-26/Cycle Detection in Directed Graph.cpp) | Program to Cycle Detection in Directed Graph |
+| [Program-26](https://github.com/swaaz/basicprograms/blob/814a1e60ae23d81158d8174666f23c9b7419e15e/C++/Program-26/Cycle_Detection_in Directed_Graph.cpp) | Program to Cycle Detection in Directed Graph |
 
 </div>
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diff --git a/C++/Cycle Detection in Directed Graph.cpp b/C++/program-26/Cycle_Detection_in Directed_Graph.cpp
similarity index 100%
rename from C++/Cycle Detection in Directed Graph.cpp
rename to C++/program-26/Cycle_Detection_in Directed_Graph.cpp