chore: formatting

books/core/52.html

@@ -20,10 +20,10 @@
     surveillance, failed Checks might fill a “High Alert!” Clock.
   </li>
   <li>
-    When the heroes realize they can’t defeat a colossal foe in usual combat,
+    When the heroes realize they can't defeat a colossal foe in usual combat,
     they might choose to adopt a different tactic: striking the stone columns
     and causing the roof to collapse on top of the enemy! In this scenario, a
-    Clock can be used to keep track of how weakened the ceiling’s support is;
+    Clock can be used to keep track of how weakened the ceiling's support is;
     once filled, the monster will be crushed under the debris!
   </li>
   <li>
@@ -39,7 +39,7 @@
   should be visible to everyone: this makes for tense and adrenaline inducing
   play. They should also be tied to a specific obstacle, goal, or danger, but
   not to a specific method or approach: this will allow characters to interact
-  with them in different ways. Let’s take the collapsing ceiling described
+  with them in different ways. Let's take the collapsing ceiling described
   above: characters could accomplish that by striking the pillars, pulverizing
   them with magic, or even throwing an enemy against them!
 </p>