[8.16] Fixes typo on the "ELSER – Elastic Learned Sparse EncodeR" page (backport #2871)#2873

kosabogi merged 2 commits into8.16elastic/stack-docs:8.16from

mergify/bp/8.16/pr-2871elastic/stack-docs:mergify/bp/8.16/pr-2871Copy head branch name to clipboard