Formated plus sign as pass through.

src/docs/asciidoc/jme3/requirements.adoc

@@ -57,7 +57,7 @@ a|Operating system
 a|Mac +++<abbr title="Operating System">OS</abbr>+++ X, Windows, Linux
 
 a|Memory (JVM heap size)
-a| ++>++ 10 +++<abbr title="Megabyte">MB</abbr>+++ ++ memory for assets (models, textures, sounds, etc, of a particular game)
+a| ++>++ 10 +++<abbr title="Megabyte">MB</abbr>+++ +++++ memory for assets (models, textures, sounds, etc, of a particular game)
 
 a|CPU
 a|++>++ 1 +++<abbr title="Gigahertz">GHz</abbr>+++