Update free_skymaps.adoc

Final format.

src/docs/asciidoc/jme3/advanced/free_skymaps.adoc

@@ -74,10 +74,10 @@ This is in checklist format so you can mark items as you go to keep your place.
 
 [%interactive]
 .Map Generator Setup 
-- [ ] From the header at the top of the 3d view click the "Choose Screen Layout" button next to the word "Default" and select "Split Verticle F/R". 
-- [ ] Click the "+" sign to create a new layout. 
+- [ ] From the header at the top of the 3d view click the btn:[Choose Screen Layout] button next to the word `Default` and select `Split Verticle F/R`. 
+- [ ] Click the `+` sign to create a new layout. 
 - [ ] Rename this new layout Angular Map Generator or a name of your choosing.
-- [ ] In the left side 3d view, at the bottom, next to the word view, is the "Current Editor Type" button. Click it and change it to UV/Image Editor.
+- [ ] In the left side 3d view, at the bottom, next to the word view, is the btn:[Current Editor Type] button. Click it and change it to `UV/Image Editor`.
 - [ ] Place your mouse inside the right side 3d view and press kbd:[NumPad 5] to toggle ortho view. You're now setup to render your Angular map.
 - [ ] Save your file.
 
@@ -119,13 +119,13 @@ You can use link:https://www.gimp.org/[Gimp] to create SkyMaps from a single ima
 
 After installing the scripts you open a image in gimp. This script works by slicing up the image into 6 layers of equal size, each by the power of 2. 
 
-.  After you open the image you select menu:Filters[Generic > Cubemap Layers Generator].
+.  After you open the image you select `menu:Filters[Generic > Cubemap Layers Generator]`.
 .  Fill in the details as follows. 
 **  Source: navigate to the image you are slicing.
 **  Cubemap layout: `Cross Horizontal`
 **  2 to the power of: `10` (for 1024 sized Layers) 
 .  Press btn:[OK] to slice up the image.
-.  Select menu:File[Export As] and change the `Name` to and `File Type` to `.dds` and choose your save location to export into.
+.  Select `menu:File[Export As]` and change the `Name` and `File Type` to `.dds` and choose your save location to export into.
 .  Press btn:[Export].
 * Compression: `None`
 * Format: `RGB8`