Update general/development/policies/codingstyle/index.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: traviswindsormoodle

general/development/policies/codingstyle/index.md

@@ -1161,7 +1161,7 @@ Magic methods are heavily discouraged, justification will be required when used.
 
 ### Using arrays for options as arguments
 
-All arguments to a function should be explicitly listed out and defined with a type. Using arrays like this can result in error as the types are not enforced as well as leading to poor documentation of the function.
+All arguments to a function should be explicitly listed out and defined with a type. Using arrays like this can result in errors as the types are not enforced as well as leading to poor documentation of the function.
 
 <InvalidExample>