diff --git a/docs/graphics-protocol.rst b/docs/graphics-protocol.rst
index 66adc811f..cf0091f6a 100644
--- a/docs/graphics-protocol.rst
+++ b/docs/graphics-protocol.rst
@@ -100,7 +100,7 @@ code to demonstrate its use
         buf = array.array('H', [0, 0, 0, 0])
         fcntl.ioctl(sys.stdout, termios.TIOCGWINSZ, buf)
         print((
-            'number of rows: {} number of columns: {}'
+            'number of rows: {} number of columns: {} '
             'screen width: {} screen height: {}').format(*buf))
 
 .. tab:: Go