Recommend that users symlink, not copy the files

git-svn-id: http://svn.inspircd.org/repository/branches/1_1_stable@9069 e03df62e-2008-0410-955e-edbf42e46eb7

src/modules/extra/README

@@ -2,7 +2,7 @@ This directory stores modules which require external libraries to compile.
 For example, m_filter_pcre requires the PCRE libraries.
 
 To compile any of these modules first ensure you have the required dependencies
-(read the online documentation at http://www.inspircd.org/wiki/) and then cp
+(read the online documentation at http://www.inspircd.org/wiki/) and then symlink
 the .cpp file from this directory into the parent directory (src/modules/) and
 re-configure your inspircd with ./configure -modupdate to detect the new module.