==== Tutorial: Field Engine, write to a bit-field packet
-The following example demonstrates a way to write a stream variable to a bit field packet variables.
-In this example MPLS label field will be changed.
+The following example demonstrates a way to write a stream variable to a bit field packet variable.
+In this example an MPLS label field will be changed.
.MPLS header
[cols="32", halign="center",width="50%"]
==== Tutorial: Field Engine, Random packet size
The following example demonstrates a way to to change packet size to be a random size.
-The way to do it is:
+The way to do it is:
1. Define template packet with maximum size
2. Trim the packet to the size you want
3. Update the packet fields to the new size