diff --git a/doc/src/man/linkcheckerrc.rst b/doc/src/man/linkcheckerrc.rst
index f724d74d..80496106 100644
--- a/doc/src/man/linkcheckerrc.rst
+++ b/doc/src/man/linkcheckerrc.rst
@@ -87,7 +87,7 @@ checking
     The average number of requests per second is approximately one third of the
     maximum. Values less than 1 and at least 0.001 can be used.
     To use values greater than 10, the HTTP server must return a
-    "LinkChecker" response header.
+    **LinkChecker** response header.
     The default is 10.
     Command line option: none
 **robotstxt=**\ [**0**\ \|\ **1**]