Fix minor typo in bouncing-regions.html

Minor typo / language fix

include/bouncing-regions.html

@@ -59,7 +59,7 @@
 	separate track, this makes it possible to automatically add exported files to
 	respective slots in a cue. However since multiple regions are selected,
 	Ardour will use original region names and prepend them with user-given text,
-	if the user shooses to submit any. E.g. adding "take1-" prefix to "piano" and
+	if the user chooses to submit any. E.g. adding "take1-" prefix to "piano" and
 	"bass" regions of respective mono tracks will create "take1-piano.wav" and "take1-bass.wav" files.
 </p>
 

include/move-regions-with-the-mouse.html

@@ -30,7 +30,7 @@
 
 <h2>Fixed-Time Motion</h2>
 <p>
-  Moving region(s) to other track(s) while keeping its at the
+  Moving region(s) to other track(s) while keeping them at the
   same exact position on the timeline is done by simply using a
   <kbd class="mouse">Middle</kbd>-drag instead.
 </p>