package/lbreakout2: fix typos in help text

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/lbreakout2/Config.in

@@ -5,9 +5,9 @@ config BR2_PACKAGE_LBREAKOUT2
 	help
 	  LBreakout2 is the successor to LBreakout, a breakout-style
 	  arcade game in the manner of Arkanoid. Requires SDL, libpng,
-	  and optionnally SDL_mixer/SDL_net.
+	  and optionally SDL_mixer/SDL_net.
 	  A display with minimum 640x480 resolution, a keyboard and a
-	  mouse are recommanded.
+	  mouse are recommended.
 
 	  http://lgames.sourceforge.net/index.php?project=LBreakout2