diff --git a/docs/_docs/01-ug-quick-start-guide.md b/docs/_docs/01-ug-quick-start-guide.md
index c7c61cb0f..0b921fb8e 100644
--- a/docs/_docs/01-ug-quick-start-guide.md
+++ b/docs/_docs/01-ug-quick-start-guide.md
@@ -276,7 +276,7 @@ There are two ways to enable Hyperspace:
 
     Spark configuration file (default: `$SPARK_HOME/conf/spark-defaults.conf`):
     
-    ```txt
+    ```cs
     # Add the following line to the configuration file.
     
     spark.sql.extensions           com.microsoft.hyperspace.HyperspaceSparkSessionExtension