diff --git a/model/labels/matcher.go b/model/labels/matcher.go
index c0d186b482..ed57b447e4 100644
--- a/model/labels/matcher.go
+++ b/model/labels/matcher.go
@@ -111,6 +111,7 @@ func (m *Matcher) Inverse() (*Matcher, error) {
 	panic("labels.Matcher.Matches: invalid match type")
 }
 
+// GetRegexString returns the regex string.
 func (m *Matcher) GetRegexString() string {
 	if m.re == nil {
 		return ""
diff --git a/tsdb/head_append.go b/tsdb/head_append.go
index c495f3dba1..a14758564a 100644
--- a/tsdb/head_append.go
+++ b/tsdb/head_append.go
@@ -1168,7 +1168,7 @@ func addJitterToChunkEndTime(seriesHash uint64, chunkMinTime, nextAt, maxNextAt
 	}
 
 	// Compute the variance to apply to the chunk end time. The variance is based on the series hash so that
-	// different TSDBs ingesting the same exact samples (e.g. in a distributed system like Cortex) will have
+	// different TSDBs ingesting the same exact samples (e.g. in a distributed system like Mimir) will have
 	// the same chunks for a given period.
 	chunkDuration := nextAt - chunkMinTime
 	chunkDurationMaxVariance := int64(float64(chunkDuration) * variance)