squash!: correct uppercase

Co-authored-by: Taylor Payne <[email protected]>

Author: rodmgwgu

docs/decisions/0010-course-authoring-flag.rst

@@ -65,7 +65,7 @@ Consequences
 
 - Documentation will be created for explaining the feature flag
 - Documentation will be created for comparing roles between the legacy and new AuthZ systems
-- a DEPR ticket will be created to track the deprecation of the feature flag after Willow
+- A DEPR ticket will be created to track the deprecation of the feature flag after Willow
 
 Rejected Alternatives
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