Update best_practices.adoc

Adjusted Distributing executable table to 20,40,40.

src/docs/asciidoc/jme3/intermediate/best_practices.adoc

@@ -325,7 +325,7 @@ Treat javadoc as messages to your future self. “genNextVal() generates the nex
 The <<sdk/application_deployment#,jMonkeyEngine SDK helps you with deployment>>: You specify your branding and deployment options in the Project Properties dialog, and then choose Clean and Build from the context menu. *If you use another IDE, consult this IDE's documentation.*
 
 Decide whether you want to release your game as WebStart, desktop JAR, mobile APK, or browser Applet – Each has its pros and cons.
-[cols="3", options="header"]
+[cols="20,40,40", options="header"]
 |===
 
 a|Distribution