Update FindCollection.java

Author: djsauble

astra-db-client/src/test/java/com/dtsx/astra/sdk/documentation/FindCollection.java

@@ -11,7 +11,7 @@ public static void main(String[] args) {
     // Find a collection
     Optional<CollectionDefinition> collection = db.findCollection("collection_vector1");
 
-    // Verify if a collection exists
+    // Check if a collection exists
     boolean collectionExists = db.isCollectionExists("collection_vector2");
   }
 }