From 0cb3c0750666827a0894fdd067c44e4ecbac3dac Mon Sep 17 00:00:00 2001
From: Adam Turner <9087854+aa-turner@users.noreply.github.com>
Date: Sat, 27 Jul 2024 02:12:56 +0100
Subject: [PATCH] Add a missing space

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

diff --git a/sphinx/config.py b/sphinx/config.py
index b330d29b5ca..bd5941e2cae 100644
--- a/sphinx/config.py
+++ b/sphinx/config.py
@@ -590,7 +590,7 @@ def convert_source_suffix(app: Sphinx, config: Config) -> None:
         logger.info(__("Converting `source_suffix = %r` to `source_suffix = %r`."),
                     source_suffix, config.source_suffix)
     elif not isinstance(source_suffix, dict):
-        msg = __("The config value `source_suffix' expects a dictionary,"
+        msg = __("The config value `source_suffix' expects a dictionary, "
                  "a string, or a list of strings. Got `%r' instead (type %s).")
         raise ConfigError(msg % (source_suffix, type(source_suffix)))