diff --git a/docs/gallery/plot_external_resources.py b/docs/gallery/plot_external_resources.py
index 366fee133..1f6c99b0d 100644
--- a/docs/gallery/plot_external_resources.py
+++ b/docs/gallery/plot_external_resources.py
@@ -312,8 +312,8 @@ def __init__(self, **kwargs):
 # ------------------------------------------------------
 # :py:class:`~hdmf.common.resources.HERD` has multiple ways for users to add
 # external references. The :py:func:`~hdmf.common.resources.HERD.add_ref_termset`
-# method allows users to not only validate terms, i.e., keys, but also adds the
-# ability to iteratively add references for entire datasets, lists, arrays, etc.
+# method allows users to not only validate terms, i.e., keys, but also 
+# add references for entire datasets, lists, arrays, etc.
 
 # The :py:func:`~hdmf.common.resources.HERD.add_ref_container` method is directly
 # used for populating :py:class:`~hdmf.common.resources.HERD` when writing a file.