[css-ui-4] Editorial: minor phrasing tweaks

Author: frivoal

css-ui-4/Overview.bs

@@ -1205,7 +1205,7 @@ Animation of the insertion caret: 'caret-animation'</h4>
 	for details.
 
 	<div class=example>
-		Typically, the caret blinks between on and off.
+		Typically, the caret blinks on and off.
 		This makes it alternate between 2 colors.
 		<pre><code class="lang-css">
 		textarea {
@@ -1218,7 +1218,7 @@ Animation of the insertion caret: 'caret-animation'</h4>
 		}
 		</code></pre>
 
-		The simulated rendering below illustrates how this should look.
+		The simulated rendering below illustrates how this is expected to look.
 		<style>
 		@keyframes caret-alternate-ref { 50% { border-color: red; } }
 		</style>
@@ -1337,8 +1337,8 @@ Shape of the insertion caret: 'caret-shape'</h4>
 			The caret must not be obscured by the background of the element.
 
 		<li>
-			UAs must render ''caret-shape/block'' carets so that the
-		character it overlaps with is not obscured by the caret.
+			UAs must render ''caret-shape/block'' carets
+			so that the character it overlaps with is not obscured by the caret.
 	</ul>
 
 	<div class=example>
@@ -1399,7 +1399,7 @@ Shape of the insertion caret: 'caret-shape'</h4>
 		}
 		</code></pre>
 
-		The simulated rendering below illustrates how this should look.
+		The simulated rendering below illustrates how this is expected to look.
 		<style>
 		@keyframes terminal-caret-ref { 50% { border-color: transparent; } }
 		</style>
@@ -1452,7 +1452,7 @@ Shape of the insertion caret: 'caret-shape'</h4>
 		}
 		</code></pre>
 
-		The simulated rendering below illustrates how this should look.
+		The simulated rendering below illustrates how this is expected to look.
 		<style>
 		.old-screen {
 			border-radius: 1em;