Code formatting for module headers

Architecture.md

@@ -18,11 +18,11 @@ For more high-level overview of the project a good place to start is [Writing th
 
 This section provides an overview of the code and module layout used by Cyclone. The [API Documentation](docs/API.md) provides more details on individual modules within these directories as well as code-level API documentation.
 
-## scheme/
+## `scheme/`
 
 Code for the built-in Scheme standard libraries lives at the top level of this directory. In general all of the code here is written to conform to the Scheme R7RS specification.
 
-## scheme/cyclone
+## `scheme/cyclone`
 
 Scheme code for the Cyclone compiler itself lives here as a set of libraries.
 
@@ -31,13 +31,13 @@ There are front-end programs at the top-level of the Cyclone repository that use
 - `cyclone.scm` for the compiler
 - `icyc.scm` for the interpreter
 
-## srfi/
+## `srfi/`
 
 Implementations of various Scheme SRFI's that are distributed directly with Cyclone.
 
 In general the recommended way to distribute SRFI's is to use the Winds package manager. At this point there would need to be a very good reason to include a new SRFI here in the main Cyclone repository.
 
-## runtime.c
+## `runtime.c`
 
 Most of the code for the C runtime lives here including primitives and the minor GC.
 
@@ -45,13 +45,13 @@ Code here is often written in a continuation passing style because Cheney on the
 
 TODO: for example
 
-## gc.c
+## `gc.c`
 
 Module for the major garbage collector.
 
 For comprehensive design documentation on the major collector see the [Garbage Collector](Garbage-Collector-Revised-2022.md) documentation.
 
-## mstreams.c
+## `mstreams.c`
 
 Code for in-memory streams. Some of this is platform-specific.