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-rw-r--r--user_guide_src/source/libraries/output.rst2
1 files changed, 1 insertions, 1 deletions
diff --git a/user_guide_src/source/libraries/output.rst b/user_guide_src/source/libraries/output.rst
index 92060f66a..bb5493712 100644
--- a/user_guide_src/source/libraries/output.rst
+++ b/user_guide_src/source/libraries/output.rst
@@ -207,7 +207,7 @@ Class Reference
For more information, please see the :doc:`caching documentation <../general/caching>`.
- .. php:method:: _display([$output = ''])
+ .. php:method:: _display([$output = NULL])
:param string $output: Output data override
:returns: void