update controlled values

Author: karenmajewicz

docs/ogm-aardvark-controlled-values.md

@@ -2,25 +2,9 @@
 
 The following elements have controlled values in the OGM Aardvark schema.
 
-## [Resource Class](../ogm-aardvark#resource-class)
+## Format
 
-* Collections
-* Datasets
-* Imagery
-* Maps
-* Web services
-* Websites
-* Other
-
-## [Resource Type](../ogm-aardvark#resource-type)
-
-{{ read_csv('ogm-aardvark/resource-type-vocabulary.csv') }}
-
-## [Theme](../ogm-aardvark#theme)
-
-{{ read_csv('ogm-aardvark/theme-vocabulary.csv') }}
-
-## [Format](../ogm-aardvark#format)
+[:octicons-file-symlink-file-24: Format full definition](../ogm-aardvark#format)
 
 **Recommended Values**
 
@@ -53,4 +37,45 @@ The following elements have controlled values in the OGM Aardvark schema.
 * Tabular Data
 * TIFF
 
+## Language
+
+[:octicons-file-symlink-file-24: Resource Class full definition](../ogm-aardvark#language)
+
+[:octicons-link-external-24: See Library of Congress site for full list.](https://www.loc.gov/standards/iso639-2/php/English_list.php)
+
+{{ read_csv('ogm-aardvark/language-vocabulary.csv') }}
+
+
+## Resource Class
+	
+[:octicons-file-symlink-file-24: Resource Class full definition](../ogm-aardvark#resource-class)
+
+* Collections
+* Datasets
+* Imagery
+* Maps
+* Web services
+* Websites
+* Other
+
+
+## Resource Type
+
+[:octicons-file-symlink-file-24: Resource Type full definition](../ogm-aardvark#resource-type)
+
+{{ read_csv('ogm-aardvark/resource-type-vocabulary.csv') }}
+
+
+
+## Theme
+
+[:octicons-file-symlink-file-24: Theme full definition](../ogm-aardvark#theme)
+
+{{ read_csv('ogm-aardvark/theme-vocabulary.csv') }}
+
+
+
+
+	
+