fix invalid example descriptions (fix #1476)

src/ui/pages/help.html

@@ -990,7 +990,7 @@
 						<code>trueValue</code> if <code>value</code> does not equal <code>expected</code> or the
 						<code>falseValue</code> otherwise (e.g.
 						"%if-not-equals&lt;{page-title}|Untitled|{page-title}|{page-heading}&gt;"
-						to return the page heading if the page title does not equal "Untitled" or the page title
+						to return the page title if the page title does not equal "Untitled" or the page heading
 						otherwise).
 					<li><code>%if-contains&lt;value|expected|trueValue|falseValue&gt;</code>: returns the
 						<code>trueValue</code> if <code>value</code> contains <code>expected</code> or the
@@ -1002,7 +1002,7 @@
 						<code>trueValue</code> if <code>value</code> does not contain <code>expected</code> or the
 						<code>falseValue</code> otherwise (e.g.
 						"%if-not-contains&lt;{page-title}|Untitled|{page-title}|{page-heading}&gt;"
-						to return the page heading if the page title does not contain "Untitled" or the page title
+						to return the page title if the page title does not contain "Untitled" or the page heading
 						otherwise).
 					</li>
 					<li><code>%substring&lt;value|start|end&gt;</code>: returns a substring of the <code>value</code>