restore formatting

Author: ianfixes

docs/library-specification.md

@@ -80,8 +80,8 @@ otherwise below, **all fields are required**. The available fields are:
   files in the linker command directly, all .o files are saved into a .a file, which is then included in the linker
   command. [1.5 format library folder structure](#layout-of-folders-and-files) is required.
 - **includes** - **(available from Arduino IDE 1.6.10)** (optional) a comma separated list, indicating the set of files 
-  that a sketch would need to include (as #include <...> lines) in order to use the library. This property informs the 
-  "Include library" command in the Arduino IDE, which auto-inserts those lines into a sketch. If the includes property 
+  that a sketch would need to include (as `#include <...>` lines) in order to use the library. This property informs the 
+  "Include library" command in the Arduino IDE, which auto-inserts those lines into a sketch. If the `includes` property 
   is missing, all the header files (.h) on the root source folder are inserted.
 - **precompiled** - **(available from Arduino IDE 1.8.6/arduino-builder 1.4.0)** (optional) enables support for .a
   (archive) and .so (shared object) files. See the ["Precompiled binaries"](#precompiled-binaries) section for