diff --git a/tsdb/compact_test.go b/tsdb/compact_test.go
index 31734a5747..3b72fe02cc 100644
--- a/tsdb/compact_test.go
+++ b/tsdb/compact_test.go
@@ -652,7 +652,7 @@ func TestCompaction_populateBlock(t *testing.T) {
 			expErr:         errors.New("found chunk with minTime: 10 maxTime: 30 outside of compacted minTime: 0 maxTime: 20"),
 		},
 		{
-			// Introduced by https://github.com/prometheus/prometheus/tsdb/issues/347.
+			// Introduced by https://github.com/prometheus/tsdb/issues/347.
 			title: "Populate from single block containing extra chunk",
 			inputSeriesSamples: [][]seriesSamples{
 				{
@@ -692,7 +692,7 @@ func TestCompaction_populateBlock(t *testing.T) {
 			},
 		},
 		{
-			// Introduced by https://github.com/prometheus/prometheus/tsdb/pull/539.
+			// Introduced by https://github.com/prometheus/tsdb/pull/539.
 			title: "Populate from three blocks that the last two are overlapping.",
 			inputSeriesSamples: [][]seriesSamples{
 				{
diff --git a/tsdb/db_test.go b/tsdb/db_test.go
index 0b06643aa1..29b2bdbea2 100644
--- a/tsdb/db_test.go
+++ b/tsdb/db_test.go
@@ -1410,7 +1410,7 @@ func TestOverlappingBlocksDetectsAllOverlaps(t *testing.T) {
 	}, OverlappingBlocks(nc1))
 }
 
-// Regression test for https://github.com/prometheus/prometheus/tsdb/issues/347
+// Regression test for https://github.com/prometheus/tsdb/issues/347
 func TestChunkAtBlockBoundary(t *testing.T) {
 	db, closeFn := openTestDB(t, nil, nil)
 	defer func() {
diff --git a/tsdb/querier_test.go b/tsdb/querier_test.go
index 536ed2dffc..241b430b02 100644
--- a/tsdb/querier_test.go
+++ b/tsdb/querier_test.go
@@ -1044,7 +1044,7 @@ func TestSeriesIterator(t *testing.T) {
 	})
 }
 
-// Regression for: https://github.com/prometheus/prometheus/tsdb/pull/97
+// Regression for: https://github.com/prometheus/tsdb/pull/97
 func TestChunkSeriesIterator_DoubleSeek(t *testing.T) {
 	chkMetas := []chunks.Meta{
 		tsdbutil.ChunkFromSamples([]tsdbutil.Sample{}),
diff --git a/tsdb/wal/wal_test.go b/tsdb/wal/wal_test.go
index cd7a9fd8fc..340c2b32e7 100644
--- a/tsdb/wal/wal_test.go
+++ b/tsdb/wal/wal_test.go
@@ -49,7 +49,7 @@ func TestWALRepair_ReadingError(t *testing.T) {
 		},
 		// Ensures that the page buffer is big enough to fit
 		// an entire page size without panicking.
-		// https://github.com/prometheus/prometheus/tsdb/pull/414
+		// https://github.com/prometheus/tsdb/pull/414
 		"bad_header": {
 			1,
 			func(f *os.File) {