D9366: helptext: fix sentence in extensions documentation

[mharbison72 (Matt Harbison)]

mharbison72 created this revision.
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REPOSITORY
  rHG Mercurial

BRANCH
  default

REVISION DETAIL
  https://phab.mercurial-scm.org/D9366

AFFECTED FILES
  mercurial/helptext/internals/extensions.txt

CHANGE DETAILS

diff --git a/mercurial/helptext/internals/extensions.txt b/mercurial/helptext/internals/extensions.txt
--- a/mercurial/helptext/internals/extensions.txt
+++ b/mercurial/helptext/internals/extensions.txt
@@ -175,7 +175,7 @@
 
 Be aware that ``uisetup`` in NOT the function to configure a ``ui`` instance.
 It's called only once per process, not per ``ui`` instance. Also, any changes
-to the ``ui`` may be discarded because the ``ui`` here temporarily loaded
+to the ``ui`` may be discarded because the ``ui`` here is a temporarily loaded
 local configuration. So, it's generally wrong to do `ui.setconfig()` in
 these callbacks. Notable exception is setting ``pre/post-<command>`` hooks
 and extending ``ui.__class__``.



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