docs: fix docstring on read head block (#22776)

aaronbuchwald · web-flow · commit 56f533d00cee · 2021-04-29T19:23:07.000+02:00
diff --git a/core/rawdb/accessors_chain.go b/core/rawdb/accessors_chain.go
@@ -839,7 +839,7 @@ func ReadHeadHeader(db ethdb.Reader) *types.Header {
 	return ReadHeader(db, headHeaderHash, *headHeaderNumber)
 }
 
-// ReadHeadHeader returns the current canonical head block.
+// ReadHeadBlock returns the current canonical head block.
 func ReadHeadBlock(db ethdb.Reader) *types.Block {
 	headBlockHash := ReadHeadBlockHash(db)
 	if headBlockHash == (common.Hash{}) {

Original file line number	Diff line number	Diff line change
`@@ -839,7 +839,7 @@ func ReadHeadHeader(db ethdb.Reader) *types.Header {`
`839`	`839`	`return ReadHeader(db, headHeaderHash, *headHeaderNumber)`
`840`	`840`	`}`
`841`	`841`
`842`		`-// ReadHeadHeader returns the current canonical head block.`
	`842`	`+// ReadHeadBlock returns the current canonical head block.`
`843`	`843`	`func ReadHeadBlock(db ethdb.Reader) *types.Block {`
`844`	`844`	`headBlockHash := ReadHeadBlockHash(db)`
`845`	`845`	`if headBlockHash == (common.Hash{}) {`