diff --git a/pixelgl/run.go b/pixelgl/run.go
index 1c3a2d9..94e89c2 100644
--- a/pixelgl/run.go
+++ b/pixelgl/run.go
@@ -6,9 +6,9 @@ import (
 	"github.com/pkg/errors"
 )
 
-// Run is essentialy the main function of PixelGL. It exists mainly due to the technical limitations
-// of OpenGL and operating systems. In short, all graphics and window manipulating calls must be
-// done from the main thread. Run makes this possible.
+// Run is essentially the main function of PixelGL. It exists mainly due to the technical
+// limitations of OpenGL and operating systems. In short, all graphics and window manipulating calls
+// must be done from the main thread. Run makes this possible.
 //
 // Call this function from the main function of your application. This is necessary, so that Run
 // runs on the main thread.
diff --git a/pixelgl/window.go b/pixelgl/window.go
index 93aa2b2..943eb41 100644
--- a/pixelgl/window.go
+++ b/pixelgl/window.go
@@ -181,7 +181,7 @@ func (w *Window) Update() {
 
 // SetClosed sets the closed flag of the Window.
 //
-// This is usefull when overriding the user's attempt to close the Window, or just to close the
+// This is useful when overriding the user's attempt to close the Window, or just to close the
 // Window from within the program.
 func (w *Window) SetClosed(closed bool) {
 	mainthread.Call(func() {