diff --git a/PPG algorithm.cpp b/PPG algorithm.cpp
deleted file mode 100644
index 49c2fdc..0000000
--- a/PPG algorithm.cpp	
+++ /dev/null
@@ -1,7 +0,0 @@
-#include <iostream>
-
-int main()
-{
-	std::cout <<"PPG"<< std::endl;
-	return 0;
-}
diff --git a/PPG_algorithm.cpp b/PPG_algorithm.cpp
new file mode 100644
index 0000000..758bcb3
--- /dev/null
+++ b/PPG_algorithm.cpp
@@ -0,0 +1,7 @@
+#include <iostream>
+
+int main()
+{
+        std::cout <<"PPG algorithm"<< std::endl;
+	return 0;
+}