Tweak docstring

diff --git a/httpx/exceptions.py b/httpx/exceptions.py
index b19669c6ab11fb5393fea8770dbade6ef80956af..2d8d27dc4cb2c73ecac72e4f5b10647bb4aa3a6d 100644 (file)
--- a/httpx/exceptions.py
+++ b/httpx/exceptions.py
@@ -6,7 +6,7 @@ if typing.TYPE_CHECKING:
 
 class HTTPError(Exception):
     """
-    Base class for Httpx exception
+    Base class for all httpx exceptions.
     """
 
     def __init__(