package/slirp: fix typos in help text

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
(cherry picked from commit 6183d8f494632cc64ae0ff6b2fffd05d0ceb9784)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/slirp/Config.in

@@ -12,8 +12,8 @@ config BR2_PACKAGE_SLIRP
 
 	  NOTE:
 	  This package has some history of a unique kind:
-	    - originally developped as 'slirp' by Danny Gasparovski, and
-	      seemingly abandonned (developper /disapeared/)
+	    - originally developed as 'slirp' by Danny Gasparovski, and
+	      seemingly abandoned (developer /disappeared/)
 	    - then re-maintained at sourceforge by "Kelly", up to some
 	      time around 2009: http://slirp.sourceforge.net/
 	    - during that period, QEMU (Fabrice BELLARD) forked the code