Issue #26778: Fixed "a/an/and" typos in code comment and documentation.
diff --git a/Lib/SocketServer.py b/Lib/SocketServer.py
index d324a21..122430e 100644
--- a/Lib/SocketServer.py
+++ b/Lib/SocketServer.py
@@ -707,7 +707,7 @@
             try:
                 self.wfile.flush()
             except socket.error:
-                # An final socket error may have occurred here, such as
+                # A final socket error may have occurred here, such as
                 # the local error ECONNABORTED.
                 pass
         self.wfile.close()