From 05ad7e80208aee3956e630be10f1685b0bbea5b1 Mon Sep 17 00:00:00 2001
From: Dominic Davis-Foster <dominic@davis-foster.co.uk>
Date: Tue, 25 Aug 2020 13:48:17 +0100
Subject: [PATCH] Fix typo in warning emitted from Sphinx.add_lexer()

---
 sphinx/application.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sphinx/application.py b/sphinx/application.py
index d84a2c975..385b74d8a 100644
--- a/sphinx/application.py
+++ b/sphinx/application.py
@@ -1004,7 +1004,7 @@ class Sphinx:
         logger.debug('[app] adding lexer: %r', (alias, lexer))
         if isinstance(lexer, Lexer):
             warnings.warn('app.add_lexer() API changed; '
-                          'Please give lexer class instead instance',
+                          'Please give lexer class instead of instance',
                           RemovedInSphinx40Warning, stacklevel=2)
             lexers[alias] = lexer
         else: