Merge pull request #946 from RayTracing/fix-typo

Fix typo in book 1, section 7.2

Author: hollasch

books/RayTracingInOneWeekend.html

@@ -1465,7 +1465,7 @@
 
 <div class='together'>
 Now's a good time to create a `camera` class to manage our virtual camera and the related tasks of
-scene scampling. The following class implements a simple camera using the axis-aligned camera from
+scene sampling. The following class implements a simple camera using the axis-aligned camera from
 before:
 
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ C++