Trivial: Fix lisp flag label

Change-Id: Ic5339169124edc8ea1f82ffcba7cde8b7f224e83
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
diff --git a/src/vnet/lisp-cp/control.h b/src/vnet/lisp-cp/control.h
index ac18768..e704094 100644
--- a/src/vnet/lisp-cp/control.h
+++ b/src/vnet/lisp-cp/control.h
@@ -119,7 +119,7 @@
 #define foreach_lisp_flag_bit       \
   _(USE_PETR, "Use Proxy-ETR")                    \
   _(XTR_MODE, "ITR/ETR mode")                     \
-  _(PETR_MODE, "Use Proxy-ETR")                   \
+  _(PETR_MODE, "Proxy-ETR mode")                   \
   _(PITR_MODE, "Proxy-ITR mode")                  \
   _(STATS_ENABLED, "Statistics enabled")