Updated OTC requirements in README.md

README.md

@@ -8,15 +8,15 @@ Select this deployment format if you want all languages and all weights in a sin
 
 [Super OTC](https://github.com/adobe-fonts/source-han-sans/raw/release/SuperOTC/SourceHanSans.ttc.zip)
 
-**Special Note**: This deployment format requires macOS (OS X) Version 10.8 (aka *Mountain Lion*) or later, iOS 7 or later, or Windows 10 Version 1703 (aka *Creators Update*) or later. For Adobe apps, use CS6 or later.
+**Special Note**: This deployment format requires macOS (OS X) Version 10.8 (aka *Mountain Lion*) or later, iOS 7 or later, Windows 10 Version 1703 (aka *Creators Update*) or later, a flavor of Linux that uses *fontconfig* and FreeType Version 2.5.0.1 or greater, or Adobe CS6 apps or later.
 
 ### OTCs
 
 Select this deployment format if you want all languages and some weights, or if your environment does not support the Super OTC. Changing languages is accomplished the same way as the Super OTC. If you need specific weights, download individual font resources from the [OTC](OTC) folder, otherwise click both of the links below:
 
 [ExtraLight + Light + Normal + Regular](https://github.com/adobe-fonts/source-han-sans/raw/release/OTC/SourceHanSansOTC_EL-R.zip) & [Medium + Bold + Heavy](https://github.com/adobe-fonts/source-han-sans/raw/release/OTC/SourceHanSansOTC_M-H.zip)
 
-**Special Note**: This deployment format requires macOS (OS X) Version 10.8 (aka *Mountain Lion*) or later, iOS 7 or later, or Windows 10 Version 1607 (aka *Anniversary Update*) or later. For Adobe apps, use CS6 or later.
+**Special Note**: This deployment format requires macOS (OS X) Version 10.8 (aka *Mountain Lion*) or later, iOS 7 or later, Windows 10 Version 1607 (aka *Anniversary Update*) or later, a flavor of Linux that uses *fontconfig* and FreeType Version 2.5.0.1 or greater, or Adobe CS6 apps or later.
 
 ### Language-specific OTFs