diff --git a/web/ui/module/codemirror-promql/src/complete/promql.terms.ts b/web/ui/module/codemirror-promql/src/complete/promql.terms.ts
index 09901fa93..c97385bad 100644
--- a/web/ui/module/codemirror-promql/src/complete/promql.terms.ts
+++ b/web/ui/module/codemirror-promql/src/complete/promql.terms.ts
@@ -218,25 +218,25 @@ export const functionIdentifierTerms = [
   {
     label: 'histogram_count',
     detail: 'function',
-    info: 'Return the count of observations from a native histogram',
+    info: 'Return the count of observations from a native histogram (experimental feature)',
     type: 'function',
   },
   {
     label: 'histogram_fraction',
     detail: 'function',
-    info: 'Calculate fractions of observations within an interval from a native histogram',
+    info: 'Calculate fractions of observations within an interval from a native histogram (experimental feature)',
     type: 'function',
   },
   {
     label: 'histogram_quantile',
     detail: 'function',
-    info: 'Calculate quantiles from native histograms and from legacy histogram buckets',
+    info: 'Calculate quantiles from native histograms (experimental) and from conventional histogram buckets',
     type: 'function',
   },
   {
     label: 'histogram_sum',
     detail: 'function',
-    info: 'Return the sum of observations from a native histogram',
+    info: 'Return the sum of observations from a native histogram (experimental feature)',
     type: 'function',
   },
   {