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-rw-r--r--modules/field/field.info.inc3
1 files changed, 2 insertions, 1 deletions
diff --git a/modules/field/field.info.inc b/modules/field/field.info.inc
index 1c6d6cdde..eb5cc5ca7 100644
--- a/modules/field/field.info.inc
+++ b/modules/field/field.info.inc
@@ -613,7 +613,8 @@ function field_info_fields() {
* @return
* The field array, as returned by field_read_fields(), with an
* additional element 'bundles', whose value is an array of all the bundles
- * this field belongs to keyed by entity type.
+ * this field belongs to keyed by entity type. NULL if the field was not
+ * found.
*
* @see field_info_field_by_id()
*/