entc/gen: fix grammar and language usage in function comments (#1126)

* fix grammar and english usage in templates

* bindata gen

* codegen

* go generate ./again...

entc/gen/template/dialect/sql/create.tmpl

@@ -140,7 +140,7 @@ func ({{ $receiver }} *{{ $builder }}) Save(ctx context.Context) ([]*{{ $.Name }
 	return nodes, nil
 }
 
-// SaveX calls Save and panics if Save returns an error.
+// SaveX is like Save, but panics if an error occurs.
 func ({{ $receiver }} *{{ $builder }}) SaveX(ctx context.Context) []*{{ $.Name }} {
 	v, err := {{ $receiver }}.Save(ctx)
 	if err != nil {

entc/gen/template/dialect/sql/errors.tmpl

@@ -27,7 +27,7 @@ func isSQLConstraintError(err error) (*ConstraintError, bool) {
 	return nil, false
 }
 
-// rollback calls to tx.Rollback and wraps the given error with the rollback error if occurred.
+// rollback calls tx.Rollback and wraps the given error with the rollback error if present.
 func rollback(tx dialect.Tx, err error) error {
 	if rerr := tx.Rollback(); rerr != nil {
 		err = fmt.Errorf("%s: %v", err.Error(), rerr)

entc/gen/template/dialect/sql/meta.tmpl

@@ -8,7 +8,7 @@ in the LICENSE file in the root directory of this source tree.
 {{ define "dialect/sql/meta/constants" }}
 	{{- range $t := $.RelatedTypes }}
 		{{- if ne $t.ID.StorageKey $.ID.StorageKey }}
-			// {{ $t.Name }}FieldID holds the string denoting the id field of the {{ $t.Name }}.
+			// {{ $t.Name }}FieldID holds the string denoting the ID field of the {{ $t.Name }}.
 			{{ $t.Name }}FieldID = "{{ $t.ID.StorageKey }}"
 		{{- end }}
 	{{- end }}

entc/gen/template/dialect/sql/tx.tmpl

@@ -5,7 +5,7 @@ in the LICENSE file in the root directory of this source tree.
 */}}
 
 {{ define "dialect/sql/txoptions" }}
-// BeginTx returns a transactional client with options.
+// BeginTx returns a transactional client with specified options.
 func (c *Client) BeginTx(ctx context.Context, opts *sql.TxOptions) (*Tx, error) {
 	if _, ok := c.driver.(*txDriver); ok {
 		return nil, fmt.Errorf("ent: cannot start a transaction within a transaction")