Update docs/gallery/advanced_io/plot_linking_data.py

docs/gallery/advanced_io/plot_linking_data.py

@@ -370,7 +370,7 @@
 # .. note::
 #
 #    The `memb_size` parameter must be set on both write and read. As such, reading the file requires
-#    the user to know the `memb_size` that was used for reading.
+#    the user to know the `memb_size` that was used for writing.
 #
 # .. note::
 #