fix 3 minor typos

Author: stmuk

lib/Language/concurrency.pod

@@ -620,7 +620,7 @@ shared data in a concurrent environment and is thus key to supporting
 thread-safety in the high level API, this is sometimes known as a
 "Mutex" in other programming languages.  Because the higher level classes
 (L<Promise>, L<Supply> andL<Channel>,) use a L<Lock> where required it
-is unlikey that user code will need to use a L<Lock> directly.
+is unlikely that user code will need to use a L<Lock> directly.
 
 The primary interface to L<Lock> is the method
 L<protect|/type/Lock#method_protect> which ensures that a block of code

lib/Language/exceptions.pod

@@ -24,8 +24,8 @@ C<die> with a message as to what went wrong:
 =head2 Typed exceptions
 
 Typed exceptions provide more information about the kind of error that
-occured within the exception object itself.  For instance, if while
-executing C<.zompie copy> on an object the path C<foo/bar> is unavailable
+occurred within the exception object itself.  For instance, if while
+executing C<.zombie copy> on an object the path C<foo/bar> is unavailable
 (and was expected to be available), then one could raise an
 L<X::IO::DoesNotExist> exception like so: