Preprocessors.md

@@ -55,13 +55,13 @@ preproc_staff.sh --help
 
 ## `extract_title.sh`
 
-For a given markdown file containing the line
+For a given markdown file `topic.md` containing the line
 ```
 # Title of my topic
 ```
 this routine returns
 ```
-## [Title of my topic]($inputname.html)
+## [Title of my topic](topic.html)
 ```
 to `stdout`. See the command line help for further information regarding the options or type
 ```bash