Add notes about language-specific config

website/src/pages/configuration.mdx

@@ -103,6 +103,8 @@ Example:
 
 ## `formatter`
 
+These options apply to all languages.  There are additional language-specific formatting options below, as well.
+
 ### `formatter.enabled`
 
 Enables Rome's formatter
@@ -143,6 +145,8 @@ How many characters can be written on a single line.
 
 ## `javascript`
 
+These options apply only to JavaScript (and TypeScript) files.
+
 ### `javascript.formatter.quoteStyle`
 
 The type of quote used when representing string literals. It can be `single` or `double`.

website/src/pages/formatter/index.mdx

@@ -20,6 +20,8 @@ The language agnostic options supported by Rome are:
 - tab width (default: `2`): The number of spaces per indention level
 - line width (default: `80`): The column width at which Rome wraps code
 
+Other formatting options are available for specific languages as well.  See the [configuration](/configuration) options for details.
+
 ## Use the formatter with the CLI
 
 You can start by running the CLI with the `--help` flag: