Update galleries/users_explain/axes/tight_layout_guide.py

Co-authored-by: Ruth Comer <[email protected]>

Author: timhoffm

galleries/users_explain/axes/tight_layout_guide.py

@@ -12,7 +12,7 @@
 .. tip::
 
    *tight_layout* was the first layout engine in Matplotlib. The more modern
-   and more capable :ref:`constrained_layout <constrainedlayout_guide>` should
+   and more capable :ref:`Constrained Layout <constrainedlayout_guide>` should
    typically be used instead.
 
 *tight_layout* automatically adjusts subplot params so that the