fix document linking

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

README.md

@@ -28,18 +28,18 @@ WARNING: the development branch is filled with lava, fear and capitalism.
 
 - URL encoding with query support
 
-- Path access restrictions with regex (see (usage)[docs/USAGE.md])
+- Path access restrictions with regex (see [usage](docs/USAGE.md))
 
-- Request remapping with regex (see (usage)[docs/USAGE.md])
+- Request remapping with regex (see [usage](docs/USAGE.md))
 
 - Separate system and access logging
 
 # Further Docs
 
-(Usage)[https://github.com/grufwub/gophor/blob/master/docs/USAGE.md]
+[Usage](https://github.com/grufwub/gophor/blob/master/docs/USAGE.md)
 
-(CGI compliance)[https://github.com/grufwub/gophor/blob/master/docs/CGI.md]
+[CGI compliance](https://github.com/grufwub/gophor/blob/master/docs/CGI.md)
 
-(Gopher specific information)[https://github.com/grufwub/gophor/blob/master/docs/GOPHER.md]
+[Gopher specific information](https://github.com/grufwub/gophor/blob/master/docs/GOPHER.md)
 
-(Extra notes)[https://github.com/grufwub/gophor/blob/master/docs/MISC.md]
+[Extra notes](https://github.com/grufwub/gophor/blob/master/docs/MISC.md)