diff --git a/include/KeyFrame.h b/include/KeyFrame.h
index 14f519a1..bfd2ee20 100644
--- a/include/KeyFrame.h
+++ b/include/KeyFrame.h
@@ -98,7 +98,7 @@ namespace openshot {
 		/// Default constructor for the Keyframe class
 		Keyframe();
 
-		/// Constructor which sets the default point & coordinate at X=0
+		/// Constructor which sets the default point & coordinate at X=1
 		Keyframe(double value);
 
 		/// Add a new point on the key-frame.  Each point has a primary coordinate, a left handle, and a right handle.
diff --git a/src/KeyFrame.cpp b/src/KeyFrame.cpp
index 37e005d9..5250b006 100644
--- a/src/KeyFrame.cpp
+++ b/src/KeyFrame.cpp
@@ -55,7 +55,7 @@ void Keyframe::ReorderPoints() {
 	}
 }
 
-// Constructor which sets the default point & coordinate at X=0
+// Constructor which sets the default point & coordinate at X=1
 Keyframe::Keyframe(double value) : needs_update(true) {
 	// Init the factorial table, needed by bezier curves
 	CreateFactorialTable();
diff --git a/src/Point.cpp b/src/Point.cpp
index 72eedebc..ab3f5432 100644
--- a/src/Point.cpp
+++ b/src/Point.cpp
@@ -33,7 +33,7 @@
 using namespace std;
 using namespace openshot;
 
-// Default constructor (defaults to 0,0)
+// Default constructor (defaults to 1,0)
 Point::Point() : interpolation(BEZIER), handle_type(AUTO)
 {
 	// set new coorinate
@@ -43,7 +43,7 @@ Point::Point() : interpolation(BEZIER), handle_type(AUTO)
 	Initialize_Handles();
 }
 
-// Constructor which creates a single coordinate at X=0
+// Constructor which creates a single coordinate at X=1
 Point::Point(float y) :
 	interpolation(CONSTANT), handle_type(AUTO) {
 	// set new coorinate