--- a/src/doc/man/recoll.conf.5
+++ b/src/doc/man/recoll.conf.5
@@ -164,7 +164,7 @@
 decompressed in a temporary directory for identification, which can be very
 wasteful if 'uninteresting' big compressed files are present.  Negative
 means no limit, 0 means no processing of any compressed file. Defaults 
-to -1.
+to \-1.
 .TP
 .BI "indexallfilenames = " boolean
 Recoll indexes file names into a special section of the database to allow