Clean up wording

ch08.md

@@ -753,9 +753,10 @@ Most importantly - the simplified priority
 inheritance mechanism will prevent unbounded priority inversion.
 
 Specific behaviors of the priority inheritance mechanism to keep in mind:
-* A task will disinherit priority upon releasing the last mutex held
-* A task will disinherit priority upon the last task waiting for the 
-mutex completing its wait and timing out
+* A task will only disinherit priority upon releasing its last mutex
+held
+* A task will only disinherit priority if another task times out waiting
+for the one mutex it holds
 
 
 ### 8.3.4 Deadlock (or Deadly Embrace)