diff --git a/includes/abbreviations.md b/includes/abbreviations.md
index 92886a9b..b5605e54 100644
--- a/includes/abbreviations.md
+++ b/includes/abbreviations.md
@@ -19,3 +19,4 @@
 *[ASIC]: Application Specific Integrated Circuit, the heart of a network switch.
 *[DHCP]: Dynamic Host Configuration Protocol
 *[BGP]: Border Gateway Protocol
+*[ESLAG]: Ethernet Segment Link Aggregation (RFC 7432)