[8.x] Fixes typo on the "ELSER – Elastic Learned Sparse EncodeR" page (backport #2871)#2872

kosabogi merged 2 commits into8.xelastic/stack-docs:8.xfrom

mergify/bp/8.x/pr-2871elastic/stack-docs:mergify/bp/8.x/pr-2871Copy head branch name to clipboard