Fix small typos and extra whitespace in the docs (#24559)

docs/docsite/rst/playbooks_acceleration.rst

@@ -17,7 +17,7 @@ For users on 1.5 and later, accelerated mode only makes sense if you (A) are man
 If you can use pipelining, Ansible will reduce the amount of files transferred over the wire, 
 making everything much more efficient, and performance will be on par with accelerated mode in nearly all cases, possibly excluding very large file transfer. Because less moving parts are involved, pipelining is better than accelerated mode for nearly all use cases.
 
-Accelerated moded remains around in support of EL6
+Accelerated mode remains around in support of EL6
 control machines and other constrained environments.
 
 Accelerated Mode Details