fixing typos

Change-Id: I215e1e0208a073db80ec6f87695d734cf40fabe3
Signed-off-by: Jim Thompson <jim@netgate.com>
diff --git a/test/test_gre.py b/test/test_gre.py
index cee7eea..85ef88f 100644
--- a/test/test_gre.py
+++ b/test/test_gre.py
@@ -437,7 +437,7 @@
 
         #
         # Send a packet stream that is routed into the tunnel
-        #  - they are all dropped since the tunnel's desintation IP
+        #  - they are all dropped since the tunnel's destintation IP
         #    is unresolved - or resolves via the default route - which
         #    which is a drop.
         #
@@ -581,7 +581,7 @@
 
         #
         # Send a packet stream that is routed into the tunnel
-        #  - they are all dropped since the tunnel's desintation IP
+        #  - they are all dropped since the tunnel's destintation IP
         #    is unresolved - or resolves via the default route - which
         #    which is a drop.
         #