eth/downloader, graphql: fix typos (#29243)

eth/downloader/downloader.go

@@ -39,10 +39,10 @@ import (
 )
 
 var (
-	MaxBlockFetch   = 128 // Amount of blocks to be fetched per retrieval request
+	MaxBlockFetch   = 128 // Number of blocks to be fetched per retrieval request
-	MaxHeaderFetch  = 192 // Amount of block headers to be fetched per retrieval request
+	MaxHeaderFetch  = 192 // Number of block headers to be fetched per retrieval request
-	MaxSkeletonSize = 128 // Number of header fetches to need for a skeleton assembly
+	MaxSkeletonSize = 128 // Number of header fetches needed for a skeleton assembly
-	MaxReceiptFetch = 256 // Amount of transaction receipts to allow fetching per request
+	MaxReceiptFetch = 256 // Number of transaction receipts to allow fetching per request
 
 	maxQueuedHeaders            = 32 * 1024                         // [eth/62] Maximum number of headers to queue for import (DOS protection)
 	maxHeadersProcess           = 2048                              // Number of header download results to import at once into the chain

graphql/graphql.go

@@ -1517,7 +1517,7 @@ func (s *SyncState) TxIndexRemainingBlocks() hexutil.Uint64 {
 }
 
 // Syncing returns false in case the node is currently not syncing with the network. It can be up-to-date or has not
-// yet received the latest block headers from its pears. In case it is synchronizing:
+// yet received the latest block headers from its peers. In case it is synchronizing:
 // - startingBlock:       block number this node started to synchronize from
 // - currentBlock:        block number this node is currently importing
 // - highestBlock:        block number of the highest block header this node has received from peers