minor line edit for ES|QL in pre-requisites section#2574

ketkee-aryamane merged 1 commit intomainelastic/docs-content:mainfrom

Update-Prerequisites-to-Clarify-ES|QL-Subscription-Needselastic/docs-content:Update-Prerequisites-to-Clarify-ES|QL-Subscription-NeedsCopy head branch name to clipboard