Use double backticks for result codes in exception docstrings

Replace single-quoted result code names with double backticks so the
Sphinx spell checker treats them as inline code rather than words.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: adamtheturtle

spelling_private_dict.txt

@@ -1,12 +1,9 @@
 AuthenticationFailure
 BadImage
-BadRequest
 ConnectionErrorPossiblyImageTooLarge
 DateRangeError
 ImageTooLarge
 InactiveProject
-InvalidAcceptHeader
-InvalidInstanceId
 JSONDecodeError
 MatchProcessing
 MaxNumResultsOutOfRange

src/vws/exceptions/vws_exceptions.py

@@ -174,14 +174,14 @@ class TooManyRequestsError(VWSError):  # pragma: no cover
 @beartype
 class InvalidAcceptHeaderError(VWSError):  # pragma: no cover
     """Exception raised when Vuforia returns a response with a result code
-    'InvalidAcceptHeader'.
+    ``InvalidAcceptHeader``.
     """
 
 
 @beartype
 class InvalidInstanceIdError(VWSError):
     """Exception raised when Vuforia returns a response with a result code
-    'InvalidInstanceId'.
+    ``InvalidInstanceId``.
     """
 
 
@@ -190,5 +190,5 @@ class InvalidInstanceIdError(VWSError):
 @beartype
 class BadRequestError(VWSError):  # pragma: no cover
     """Exception raised when Vuforia returns a response with a result code
-    'BadRequest'.
+    ``BadRequest``.
     """