MAINT: More wording fixes. Grammar and such.

README.md

@@ -45,20 +45,37 @@ SUBCOMMANDS:
     validate    Check a specific ucg file for errors.
 ```
 
-## compiling a file
+## Compiling
 
 ```sh
 Build a list of ucg files.
 
 USAGE:
-    ucg build <INPUT>...
+    ucg build [FLAGS] -r [INPUT]...
 
 FLAGS:
     -h, --help       Prints help information
+    -r               Whether we should recurse in directories or not.
     -V, --version    Prints version information
 
 ARGS:
-    <INPUT>...    Input ucg files to build.
+    <INPUT>...    Input ucg files or directories to build. If not provided then build the contents of the current directory.
+```
+
+## Validating
+ ```sh
+ Check a list of ucg files for errors and run assertions.
+
+USAGE:
+    ucg validate [FLAGS] -r [INPUT]...
+
+FLAGS:
+    -h, --help       Prints help information
+    -r               Whether we should recurse or not.
+    -V, --version    Prints version information
+
+ARGS:
+    <INPUT>...    Input ucg files or directories to validate. If not provided scan the directory for files with _test.ucg
  ```
 
 ## Language Reference

src/main.rs

@@ -50,7 +50,7 @@ fn do_flags<'a>() -> clap::ArgMatches<'a> {
             (@subcommand validate =>
              (about: "Check a list of ucg files for errors and run assertions.")
              (@arg recurse: -r +required conflicts_with[INPUT] "Whether we should recurse or not.")
-             (@arg INPUT: ... "Input ucg files or directories to validate. If not provided scan the director for files with _test.ucg")
+             (@arg INPUT: ... "Input ucg files or directories to validate. If not provided it will scan the directories for files with _test.ucg")
             )
             (@subcommand converters =>
              (about: "list the available converters")
@@ -272,5 +272,6 @@ fn main() {
         }
         process::exit(0);
     } else if let Some(_todo) = app.subcommand_matches("converters") {
+        // TODO(jwall): Flesh this command out.
     }
 }