m. typo in two landmark statements. (#1919)

index.html

@@ -3516,8 +3516,8 @@ <h2>Definition of Roles</h2>
 				<p>Authors MUST give each element with role <code>form</code> a brief label that describes the purpose of the form. Authors SHOULD reference a visible label with <pref>aria-labelledby</pref> if a visible label is present. Authors SHOULD include the label inside of a heading whenever possible. The heading MAY be an instance of the standard host language heading element or an instance of an element with role <rref>heading</rref>.</p>
 				<p>If an author uses a script to submit a form based on a user action that would otherwise not trigger an <code>onsubmit</code> event (for example, a form submission triggered by the user changing a form element's value), the author SHOULD provide the user with advance notification of the behavior.</p>
 				<p><a>Assistive technologies</a> SHOULD enable users to quickly navigate to elements with role <code>form</code>.
-  				[=User agents=] SHOULD treat elements with role <code>form</code> and have an accessible name as navigational <a>landmarks</a>.
-  				[=User agents=] MAY enable users to quickly navigate to elements with role <code>form</code>.</p>
+					[=User agents=] SHOULD treat elements with role <code>form</code> and an accessible name as navigational <a>landmarks</a>.
+					[=User agents=] MAY enable users to quickly navigate to elements with role <code>form</code>.</p>
 			</div>
 			<table class="role-features">
 				<caption>Characteristics:</caption>
@@ -6837,8 +6837,8 @@ <h5>Presentational Role Inheritance</h5>
 				<p>Authors SHOULD limit use of the region role to sections containing content with a purpose that is not accurately described by one of the other <a href="#landmark_roles">landmark roles</a>, such as <rref>main</rref>, <rref>complementary</rref>, or <rref>navigation</rref>.</p>
 				<p>Authors MUST give each element with role region a brief label that describes the purpose of the content in the region. Authors SHOULD reference a visible label with <pref>aria-labelledby</pref> if a visible label is present. Authors SHOULD include the label inside of a heading whenever possible. The heading MAY be an instance of the standard host language heading element or an instance of an element with role <rref>heading</rref>.</p>
 				<p><a>Assistive technologies</a> SHOULD enable users to quickly navigate to elements with role <code>region</code>.
-  				[=User agents=] SHOULD treat elements with role <code>region</code> and have an accessible name as navigational <a>landmarks</a>.
-  				[=User agents=] MAY enable users to quickly navigate to elements with role <code>region</code>.</p>
+					[=User agents=] SHOULD treat elements with role <code>region</code> and an accessible name as navigational <a>landmarks</a>.
+					[=User agents=] MAY enable users to quickly navigate to elements with role <code>region</code>.</p>
 			</div>
 			<table class="role-features">
 				<caption>Characteristics:</caption>