fix typos in documentation
diff --git a/documentation/tools.rst b/documentation/tools.rst
index 45e7aef..437a884 100644
--- a/documentation/tools.rst
+++ b/documentation/tools.rst
@@ -97,7 +97,7 @@
.. attribute:: interface
- Interface specifc description, e.g. used in compound USB devices.
+ Interface specific description, e.g. used in compound USB devices.
Comparison operators are implemented such that the :obj:`ListPortInfo` objects
can be sorted by ``device``. Strings are split into groups of numbers and