diff --git a/StandardizedVocabularies/CONCEPT_CLASS.md b/StandardizedVocabularies/CONCEPT_CLASS.md
index c143ec3..0aa5f52 100644
--- a/StandardizedVocabularies/CONCEPT_CLASS.md
+++ b/StandardizedVocabularies/CONCEPT_CLASS.md
@@ -1,7 +1,7 @@
 The CONCEPT_CLASS table is a reference table, which includes a list of the classifications used to differentiate Concepts within a given Vocabulary. This reference table is populated with a single record for each Concept Class:
 
 Field|Required|Type|Description
-:------------------------|:--------|:-----|:----------------------------------------------
+:------------------------|:--------|:---------|:----------------------------------------------
 |concept_class_id|Yes|varchar(20)|A unique key for each class.|
 |concept_class_name|Yes|varchar(255)|The name describing the Concept Class, e.g. "Clinical Finding", "Ingredient", etc.|
 |concept_class_concept_id|Yes|integer|A foreign key that refers to an identifier in the [CONCEPT](https://github.com/OHDSI/CommonDataModel/wiki/CONCEPT) table for the unique Concept Class the record belongs to.|