Update doc

sonic-net · Oct 3, 2023 · 9c5e3c3 · 9c5e3c3
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diff --git a/doc/port-fec/fec-auto-determination.md b/doc/port-fec/fec-auto-determination.md
@@ -36,7 +36,7 @@ This document is the design document for FEC auto-determination feature on SONiC
  If not configured in CONFIG_DB, FEC mode is set to default value `none` at [SAI/SDK](https://github.com/opencomputeproject/SAI/blob/a94bbbe43242a4d9e1a4d9f70780ea9251127f5d/inc/saiport.h#L1012) layer, which might not be the proper FEC mode for this port/optics, and link might not come up.
 
 Two scenarios:
-1. In DPB case, today's DPB CLI doesn't generate FEC config for newly created ports, FEC mode is default to none at SAI layer.
+1. In DPB(Dynamic Port Breakout) case, today's DPB CLI doesn't generate FEC config for newly created ports, FEC mode is default to none at SAI layer.
 2. In non-DPB case,
     - Some platforms have no FEC configured in CONFIG_DB by default. The FEC mode can be either default to none at SAI layer or manually configured by user who might not have enough domain knowledge.
     - Some platforms have default FEC defined in port_config.ini, which however might not be suitable for the specific port/optics on the system.