Better 'mono' brief explanation

- explains the mono option better (part of #165)

readme.md

@@ -62,10 +62,14 @@ The following Sankey flow diagram shows the current glyph sets included:
 
 ## Features
 * A [FontForge python script](#font-patcher) to patch any font
+  * Includes an option to create **Monospaced (fixed-pitch, fixed-width)** _or_ **double-width (non-monospaced)** glyphs
+  * For more details see the [**Font Patcher**](#font-patcher) section
 * **`37`** already [patched font families](#patched-fonts)
 * Over **`71,000`** unique combinations/variations of patched fonts [(more details)](#combinations)
 * Over **`1,300`** glyphs/icons combined [(more details)](#combinations)
   * Current glyph sets include: [Powerline with Extra Symbols][ryanoasis-powerline-extra-symbols], [Font Awesome][font-awesome],  [Devicons][vorillaz-devicons], [Octicons][octicons], [Font Linux][font-linux], [Pomicons][gabrielelana-pomicons]
+* **Monospaced (fixed-pitch, fixed-width)** _or_ **double-width (non-monospaced)** glyphs version of each font
+  * This refers to the Nerd Font glyphs themselves not necessarily the Font as a whole
 * A Developer/Contributor provided [bash script](#gotta-patch-em-all) to re-patch all the fonts