Fix wrtier -> writer typo in `pycomedi.utility._MMapReadWriteThread` docstring.

diff --git a/pycomedi/utility.py b/pycomedi/utility.py
index 166eafb4842ae8a6392377cfbf5119749284cfc0..203a1dfceb0157c7eca88e72a04853b59e41529f 100644 (file)
--- a/pycomedi/utility.py
+++ b/pycomedi/utility.py
@@ -275,7 +275,7 @@ class Writer (_ReadWriteThread):
 
 
 class _MMapReadWriteThread (_ReadWriteThread):
-    "`mmap()`-based reader/wrtier"
+    "`mmap()`-based reader/writer"
     def __init__(self, *args, **kwargs):
         preload = kwargs.pop('preload', 0)
         access = kwargs.pop('access')