Fix some typos

README.md

@@ -12,7 +12,7 @@ proxies, load balancers, logical replication clients, etc.
 
 ## v4
 
-This is the `v4` branch. `v4` is in release candate state but is not officially released.
+This is the `v4` branch. `v4` is in release candidate state but is not officially released.
 
 ## Example Usage
 

batch.go

@@ -36,7 +36,7 @@ type BatchResults interface {
 	// QueryRow reads the results from the next query in the batch as if the query has been sent with Conn.QueryRow.
 	QueryRow() Row
 
-	// Close closes the batch operation. Any error that occured during a batch operation may have made it impossible to
+	// Close closes the batch operation. Any error that occurred during a batch operation may have made it impossible to
 	// resyncronize the connection with the server. In this case the underlying connection will have been closed.
 	Close() error
 }
@@ -95,7 +95,7 @@ func (br *batchResults) QueryRow() Row {
 
 }
 
-// Close closes the batch operation. Any error that occured during a batch operation may have made it impossible to
+// Close closes the batch operation. Any error that occurred during a batch operation may have made it impossible to
 // resyncronize the connection with the server. In this case the underlying connection will have been closed.
 func (br *batchResults) Close() error {
 	if br.err != nil {

doc.go

@@ -154,7 +154,7 @@ pgx also includes support for custom types implementing the database/sql.Scanner
 interfaces.
 
 If pgx does cannot natively encode a type and that type is a renamed type (e.g. type MyTime time.Time) pgx will attempt
-to encode the underlying type. While this is usually desired behavior it can produce suprising behavior if one the
+to encode the underlying type. While this is usually desired behavior it can produce surprising behavior if one the
 underlying type and the renamed type each implement database/sql interfaces and the other implements pgx interfaces. It
 is recommended that this situation be avoided by implementing pgx interfaces on the renamed type.