Fix grammar in phpDoc comment

Co-authored-by: Matthias Schmidt <gravatronics@live.com>

diff --git a/wcfsetup/install/files/lib/system/form/builder/field/UploadFormField.class.php b/wcfsetup/install/files/lib/system/form/builder/field/UploadFormField.class.php
index 62c0e6f64a3690683c4b913dff9fba2916f8aa5a..9b781c4083c94d36fc3d0ffbb30e8b3a66a48cf2 100644 (file)
--- a/wcfsetup/install/files/lib/system/form/builder/field/UploadFormField.class.php
+++ b/wcfsetup/install/files/lib/system/form/builder/field/UploadFormField.class.php
@@ -120,7 +120,7 @@ class UploadFormField extends AbstractFormField
     }
 
     /**
-     * Returns true, if the current field is already registered.
+     * Returns `true` if the current field has already registered with the upload handler.
      *
      * @since 5.4
      */