docs: vnet comment nitfixes

Type: improvement

Change-Id: Iac01d7830b53819ace8f199554be10ab89ecdb97
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
diff --git a/src/vnet/ethernet/node.c b/src/vnet/ethernet/node.c
index cc0a0c3..214e688 100644
--- a/src/vnet/ethernet/node.c
+++ b/src/vnet/ethernet/node.c
@@ -1897,7 +1897,7 @@
 	    }
 	  else
 	    {
-	      // a specific outer + specifc innner vlan id, a common case
+	      // a specific outer + specific innner vlan id, a common case
 
 	      // get the qinq table
 	      if (vlan_table->vlans[si->sub.eth.outer_vlan_id].qinqs == 0)