[v11.3.x] Docs: Fix broken link (#97905)

Co-authored-by: Isabel Matwawana <76437239+imatwawana@users.noreply.github.com>
Fix broken link (#97891)

docs/sources/panels-visualizations/configure-thresholds/index.md

@@ -135,7 +135,7 @@ On visualizations that support thresholds, Grafana has the following default thr
 - 80 = red
 - Base = green
 - Mode = Absolute
-- Show thresholds = Off (for some visualizations); for more information, see the [Show thresholds](#show-threshold) option.
+- Show thresholds = Off (for some visualizations); for more information, see the [Show thresholds](#show-thresholds) option.
 
 ## Thresholds options