Fix typo

src/epub/text/chapter-12.xhtml

@@ -49,7 +49,7 @@
 			<p>Jones’s face went pale and perspiration broke out. “ ’Scuse me,” he mumbled, and staggered out again.</p>
 			<p>Ross closed the door on him and said, “We’ll leave him. He’ll be all right; nothing’s going to happen here.” He took a deep breath. “We’ll all go out,” he said.</p>
 			<p>Unconsciously Ross and Helena drew closer together and joined hands. They walked together down the unfolding ramp and approached the vehicle.</p>
-			<p>One of the coolly lovely women scrutinized them and turned to the man beside her. She remarked melodiously, “Yuhsehtheybebems!,” and laughed a silvery tinkle.</p>
+			<p>One of the coolly lovely women scrutinized them and turned to the man beside her. She remarked melodiously, “Yuhsehtheybebems!” and laughed a silvery tinkle.</p>
 			<p>Panic gripped Ross for a long moment. A thing he had never considered, but a thing which he should have realized would be inevitable. Of course! These folk⁠—older and incomparably more advanced than the rest of the peoples in the universe⁠—would have evolved out of the common language into a speech of their own, deliberately or naturally rebuilt to handle the speed, subtlety, and power of their thoughts.</p>
 			<p>But perhaps the older speech was merely disused and not lost.</p>
 			<p>He said formally, quaking: “People of Earth, we are strangers from another star. We throw ourselves on your mercy and ask for your generosity. Our problem is summed up in the genetic law L-sub-T equals L-sub-zero e to the minus T-over-two-N. Of course⁠—”</p>