Fix small typos

README.rst

@@ -398,7 +398,7 @@ HPX is currently funded by
   authors expressed herein do not necessarily state or reflect those of the
   United States Government or any agency thereof.
 
-* The Bavarian Research Foundation (Bayerische Forschungsstfitung) through
+* The Bavarian Research Foundation (Bayerische Forschungsstiftung) through
   the grant AZ-987-11.
 
 * The European Commission's Horizon 2020 programme through the grant

hpx/runtime/threads/detail/scheduling_loop.hpp

@@ -666,7 +666,7 @@ namespace hpx { namespace threads { namespace detail
                 if (scheduler.SchedulingPolicy::wait_or_add_new(
                         num_thread, running, idle_loop_count))
                 {
-                    // clean up terminated threads one more time before existing
+                    // clean up terminated threads one more time before exiting
                     if (scheduler.SchedulingPolicy::cleanup_terminated(true))
                     {
                         // if this is an inner scheduler, exit immediately

hpx/runtime/threads/thread_data.hpp

@@ -77,7 +77,7 @@ namespace hpx { namespace threads
     ///  - A block of registers (not implemented yet)
     ///
     /// Generally, \a threads are not created or executed directly. All
-    /// functionality related to the management of \a thread's is
+    /// functionality related to the management of \a threads is
     /// implemented by the thread-manager.
     class thread_data
     {

src/runtime/applier/applier.cpp

@@ -178,7 +178,7 @@ namespace hpx { namespace applier
         }
 
         util::thread_description d =
-            desc ? desc : util::thread_description(func, "register_thread_nullary");
+            desc ? desc : util::thread_description(func, "register_work_nullary");
 
         threads::thread_init_data data(
             util::bind(util::one_shot(&thread_function_nullary), std::move(func)),