1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index 46aa78f66..ead6e3dbf 100644
--- a/README.md
+++ b/README.md
@@ -961,7 +961,7 @@ After you have ensured this site is distributing its content legally, you can fo
                 'id': '42',
                 'ext': 'mp4',
                 'title': 'Video title goes here',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 # TODO more properties, either as:
                 # * A value
                 # * MD5 checksum; start the string with md5: