diff --git a/docs/sources/mimir/references/http-api/index.md b/docs/sources/mimir/references/http-api/index.md
index c5751ffc576..7faccf4eaa2 100644
--- a/docs/sources/mimir/references/http-api/index.md
+++ b/docs/sources/mimir/references/http-api/index.md
@@ -485,6 +485,10 @@ For more information, refer to Prometheus [get label names](https://prometheus.i
 
 Requires [authentication](#authentication).
 
+#### Caching
+
+The query-frontend can return a stale response fetched from the query results cache if `-query-frontend.cache-results` is enabled and `-query-frontend.results-cache-ttl-for-labels-query` set to a value greater than `0`.
+
 ### Get label values
 
 ```
@@ -495,6 +499,10 @@ For more information, refer to Prometheus [get label values](https://prometheus.
 
 Requires [authentication](#authentication).
 
+#### Caching
+
+The query-frontend can return a stale response fetched from the query results cache if `-query-frontend.cache-results` is enabled and `-query-frontend.results-cache-ttl-for-labels-query` set to a value greater than `0`.
+
 ### Get metric metadata
 
 ```