Update page_creation.rst

Fix sentence structure.
Update page_creation.rst
minor #4036 Update page_creation.rst (redstar504)

This PR was submitted for the 2.5 branch but it was merged into the 2.3 branch instead (closes #4036).

Discussion
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Update page_creation.rst

Fix sentence structure.

Commits
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7dafe20 Update page_creation.rst
85a3634 Update page_creation.rst