minor #5959 Fix #5912 Ambiguity on Access Decision Manager's Strategy (Pierre Maraitre)

This PR was squashed before being merged into the 2.3 branch (closes #5959).

Discussion
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Fix #5912 Ambiguity on Access Decision Manager's Strategy

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | >=2.3
| Fixed tickets | #5912

Commits
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2367e88 Fix #5912 Ambiguity on Access Decision Manager's Strategy

Author: xabbuh

components/security/authorization.rst

@@ -41,7 +41,7 @@ the votes (either positive, negative or neutral) it has received. It
 recognizes several strategies:
 
 ``affirmative`` (default)
-    grant access as soon as any voter returns an affirmative response;
+    grant access as soon as there is one voter granting access;
 
 ``consensus``
     grant access if there are more voters granting access than there are denying;