Fix description of drop custom_labels migration (go-gitea#25243)

Follow: go-gitea#24806

Author: sillyguodong

models/migrations/migrations.go

@@ -499,10 +499,10 @@ var migrations = []Migration{
 	// v259 -> 260
 	NewMigration("Convert scoped access tokens", v1_20.ConvertScopedAccessTokens),
 
-	// Gitea 1.21.0 ends at 260
+	// Gitea 1.20.0 ends at 260
 
 	// v260 -> v261
-	NewMigration("Add label column to action_run table, and combine labels", v1_21.DropCustomLabelsColumnToActRunner),
+	NewMigration("Drop custom_labels column of action_runner table", v1_21.DropCustomLabelsColumnOfActionRunner),
 }
 
 // GetCurrentDBVersion returns the current db version

models/migrations/v1_21/v260.go

@@ -9,7 +9,7 @@ import (
 	"xorm.io/xorm"
 )
 
-func DropCustomLabelsColumnToActRunner(x *xorm.Engine) error {
+func DropCustomLabelsColumnOfActionRunner(x *xorm.Engine) error {
 	sess := x.NewSession()
 	defer sess.Close()