docs: fixed to use unified "pcap trace" command

Type: docs
Fixes: 33909777c637 ("misc: unify pcap rx / tx / drop trace")
Signed-off-by: Nobuhiro MIKI <nmiki@yahoo-corp.jp>
Change-Id: I049616cfad300658e62e5026c0655ee6f07a2421
diff --git a/src/vnet/classify/vnet_classify.c b/src/vnet/classify/vnet_classify.c
index c610c46..8ad8a6a 100644
--- a/src/vnet/classify/vnet_classify.c
+++ b/src/vnet/classify/vnet_classify.c
@@ -2054,7 +2054,7 @@
 
 /*?
  * Construct an arbitrary set of packet classifier tables for use with
- * "pcap rx | tx trace," and with the vpp packet tracer
+ * "pcap trace rx | tx," and with the vpp packet tracer
  *
  * Packets which match a rule in the classifier table chain
  * will be traced. The tables are automatically ordered so that
@@ -2097,10 +2097,10 @@
  * @cliexpar
  * Configuring the classify filter
  *
- * Configure a simple classify filter, and configure pcap rx trace to use it:
+ * Configure a simple classify filter, and configure pcap trace rx to use it:
  *
  * @cliexcmd{classify filter rx mask l3 ip4 src match l3 ip4 src 192.168.1.11}
- * <b><em>pcap rx trace on max 100 filter</em></b>
+ * <b><em>pcap trace rx max 100 filter</em></b>
  *
  * Configure another fairly simple filter
  *
diff --git a/src/vnet/interface_cli.c b/src/vnet/interface_cli.c
index 1c553e2..e5122c8 100644
--- a/src/vnet/interface_cli.c
+++ b/src/vnet/interface_cli.c
@@ -2384,7 +2384,7 @@
  *   packet capture are preserved, so '<em>any</em>' can be used to reset
  *   the interface setting.
  *
- * - <b>filter</b> - Use the pcap rx / tx / drop trace filter, which
+ * - <b>filter</b> - Use the pcap trace rx / tx / drop filter, which
  *   must be configured. Use <b>classify filter pcap...</b> to configure the
  *   filter. The filter will only be executed if the per-interface or
  *   any-interface tests fail.