diff --git a/pixelgl/vertex.go b/pixelgl/vertex.go
index 2cf98e4..3a0e5c8 100644
--- a/pixelgl/vertex.go
+++ b/pixelgl/vertex.go
@@ -195,7 +195,6 @@ func (va *VertexArray) Data() []float64 {
 // UpdateData overwrites the current vertex array data starting at the index offset.
 //
 // Offset is not a number of bytes, instead, it's an index in the array.
-//
 // If offset is negative or offset+len(data)>len(originaldata) the program panics.
 func (va *VertexArray) UpdateData(offset int, data []float64) {
 	DoNoBlock(func() {