vlib: doc nitfixes

Type: improvement

Change-Id: I9e761f908d9d2becbc61eb0515dc6b7c1e1e036f
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
diff --git a/src/vlib/node_cli.c b/src/vlib/node_cli.c
index 8cf5794..a2cae36 100644
--- a/src/vlib/node_cli.c
+++ b/src/vlib/node_cli.c
@@ -310,7 +310,7 @@
 /*?
  * Dump dot files data to draw a graph of all the nodes.
  * If the argument 'filter' is provided, only the active nodes (since the last
- * "clear run" comand) are selected and they are scaled and colored according
+ * "clear run" command) are selected and they are scaled and colored according
  * to their utilization. You can choose to filter nodes that are called,
  * nodes that receive vectors or both (default).
  * The 'file' option allows to save data in a temp file.