Fix formatting of config variable in docs

diff --git a/docs/configuration.md b/docs/configuration.md
index bc259a5c4f4ac42497fc32be5c0e250db539d473..1b361f9aa6ab9ae2ce5a38491791b3dbe5fa1ad1 100644 (file)
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -848,7 +848,7 @@ PAPERLESS_CONSUMER_ENABLE_BARCODES has been enabled.
 
     Defaults to false.
 
-PAPERLESS_CONSUMER_BARCODE_STRING=PATCHT
+`PAPERLESS_CONSUMER_BARCODE_STRING=PATCHT`
 
 : Defines the string to be detected as a separator barcode. If
 paperless is used with the PATCH-T separator pages, users shouldn't