fib: doc nitfixes

Type: improvement

Change-Id: I29346c849a5e1ff3c2ea399671f9f50d075e9f18
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
diff --git a/src/vnet/fib/ip6_fib.c b/src/vnet/fib/ip6_fib.c
index 62bf16f..708fddc 100644
--- a/src/vnet/fib/ip6_fib.c
+++ b/src/vnet/fib/ip6_fib.c
@@ -772,7 +772,7 @@
  * entries for each table.
  *
  * @note This command will run for a long time when the FIB tables are
- * comprised of millions of entries. For those senarios, consider displaying
+ * comprised of millions of entries. For those scenarios, consider displaying
  * in summary mode.
  *
  * @cliexpar