Update graph/patterns/alternate-key.md

Co-authored-by: Darrel <[email protected]>

Author: XVincentX

graph/patterns/alternate-key.md

@@ -20,7 +20,7 @@ While it is still possible to use the OData filter, such as
 
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-oData offers resource addressing via an alternate key using the same parentheses-style convention as for the canonical key, with one difference: single-part alternate keys MUST specify the key property name to unambiguously determine the alternate key.
+OData offers resource addressing via an alternate key using the same parentheses-style convention as for the canonical key, with one difference: single-part alternate keys MUST specify the key property name to unambiguously determine the alternate key.
 
 https://graph.microsoft.com/v1.0/users(0) - Retrieves the employee with ID = 0
 https://graph.microsoft.com/v1.0/users(email='[email protected]') Retrieves the employee with the email matching `[email protected]`