fix some comments

Signed-off-by: cui fliter <imcusg@gmail.com>

CONTRIBUTING.md

@@ -85,7 +85,7 @@ The PromQL parser grammar is located in `promql/parser/generated_parser.y` and i
 The parser is built using [goyacc](https://pkg.go.dev/golang.org/x/tools/cmd/goyacc)
 
 If doing some sort of debugging, then it is possible to add some verbose output. After generating the parser, then you
-can modify the the `./promql/parser/generated_parser.y.go` manually.
+can modify the `./promql/parser/generated_parser.y.go` manually.
 
 ```golang
 // As of writing this was somewhere around line 600.

discovery/kubernetes/node.go

@@ -209,7 +209,7 @@ func (n *Node) buildNode(node *apiv1.Node) *targetgroup.Group {
 	return tg
 }
 
-// nodeAddresses returns the provided node's address, based on the priority:
+// nodeAddress returns the provided node's address, based on the priority:
 // 1. NodeInternalIP
 // 2. NodeInternalDNS
 // 3. NodeExternalIP

model/labels/labels.go

@@ -622,7 +622,7 @@ func (b *ScratchBuilder) Sort() {
 	slices.SortFunc(b.add, func(a, b Label) bool { return a.Name < b.Name })
 }
 
-// Asssign is for when you already have a Labels which you want this ScratchBuilder to return.
+// Assign is for when you already have a Labels which you want this ScratchBuilder to return.
 func (b *ScratchBuilder) Assign(ls Labels) {
 	b.add = append(b.add[:0], ls...) // Copy on top of our slice, so we don't retain the input slice.
 }

model/labels/labels_string.go

@@ -799,7 +799,7 @@ func (b *ScratchBuilder) Sort() {
 	slices.SortFunc(b.add, func(a, b Label) bool { return a.Name < b.Name })
 }
 
-// Asssign is for when you already have a Labels which you want this ScratchBuilder to return.
+// Assign is for when you already have a Labels which you want this ScratchBuilder to return.
 func (b *ScratchBuilder) Assign(l Labels) {
 	b.output = l
 }

tsdb/db.go

@@ -1841,7 +1841,7 @@ func (db *DB) Querier(_ context.Context, mint, maxt int64) (storage.Querier, err
 	return storage.NewMergeQuerier(blockQueriers, nil, storage.ChainedSeriesMerge), nil
 }
 
-// blockQueriersForRange returns individual block chunk queriers from the persistent blocks, in-order head block, and the
+// blockChunkQuerierForRange returns individual block chunk queriers from the persistent blocks, in-order head block, and the
 // out-of-order head block, overlapping with the given time range.
 func (db *DB) blockChunkQuerierForRange(mint, maxt int64) ([]storage.ChunkQuerier, error) {
 	var blocks []BlockReader