diff --git a/metobscommon/archive/incoming.py b/metobscommon/archive/incoming.py
index bd2fd1f77aaca8a4d27bd7b86f6937f1bd3ed823..04e419424c8e9b1ac8794615ca11865d322966a9 100644
--- a/metobscommon/archive/incoming.py
+++ b/metobscommon/archive/incoming.py
@@ -104,7 +104,7 @@ date_formats = {
 
 
 def sanitize_name_format_for_glob(name_format, exclude="Yymd"):
-    """Replace all dated information in a name format (\%H, \%M, etc) with asterisks (*).
+    """Replace all dated information in a name format (%%H, %%M, etc) with asterisks (*).
 
     This allows the name format to be used in a glob pattern to search for the files it represents.
     I have not found an easy way besides this to use a name format for both date search and glob search.