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-rw-r--r--Documentation/core-api/xarray.rst2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/core-api/xarray.rst b/Documentation/core-api/xarray.rst
index 5d54b27c6eba..42bb1a62650f 100644
--- a/Documentation/core-api/xarray.rst
+++ b/Documentation/core-api/xarray.rst
@@ -85,7 +85,7 @@ which was at that index; if it returns the same entry which was passed as
If you want to only store a new entry to an index if the current entry
at that index is ``NULL``, you can use :c:func:`xa_insert` which
-returns ``-EEXIST`` if the entry is not empty.
+returns ``-EBUSY`` if the entry is not empty.
You can enquire whether a mark is set on an entry by using
:c:func:`xa_get_mark`. If the entry is not ``NULL``, you can set a mark