diff --git a/README.md b/README.md
index 13fad62..b15e5c1 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,7 @@ Links:
 * https://arrow.apache.org/blog/2022/02/16/introducing-arrow-flight-sql/
 
 Protocols:
+* https://github.com/apache/arrow/tree/master/format
 * [Flight](https://github.com/apache/arrow/blob/master/format/Flight.proto)
 * [FlightSql](https://github.com/apache/arrow/blob/master/format/FlightSql.proto)
 
diff --git a/proto/Flight.proto b/proto/Flight.proto
index 87e5fda..b50cfff 100644
--- a/proto/Flight.proto
+++ b/proto/Flight.proto
@@ -70,7 +70,7 @@ service FlightService {
    * GetFlightInfo this interface may generate a new flight that was not previously
    * available in ListFlights.
    */
-   rpc GetSchema(FlightDescriptor) returns (SchemaResult) {}
+  rpc GetSchema(FlightDescriptor) returns (SchemaResult) {}
 
   /*
    * Retrieve a single stream associated with a particular descriptor
@@ -359,4 +359,4 @@ message FlightData {
  */
 message PutResult {
   bytes app_metadata = 1;
-}
+}
\ No newline at end of file
diff --git a/proto/FlightSql.proto b/proto/FlightSql.proto
index d6c58bf..253fbb6 100644
--- a/proto/FlightSql.proto
+++ b/proto/FlightSql.proto
@@ -345,7 +345,10 @@ enum SqlInfo {
   // Retrieves a UTF-8 string with the preferred term for "procedure".
   SQL_PROCEDURE_TERM = 530;
 
-  // Retrieves a UTF-8 string with the preferred term for "catalog".
+  /*
+   * Retrieves a UTF-8 string with the preferred term for "catalog".
+   * If a empty string is returned its assumed that the server does NOT supports catalogs.
+   */
   SQL_CATALOG_TERM = 531;
 
   /*
@@ -1118,6 +1121,7 @@ message CommandGetDbSchemas {
  *  - ARROW:FLIGHT:SQL:CATALOG_NAME      - Table's catalog name
  *  - ARROW:FLIGHT:SQL:DB_SCHEMA_NAME    - Database schema name
  *  - ARROW:FLIGHT:SQL:TABLE_NAME        - Table name
+ *  - ARROW:FLIGHT:SQL:TYPE_NAME         - The data source-specific name for the data type of the column.
  *  - ARROW:FLIGHT:SQL:PRECISION         - Column precision/size
  *  - ARROW:FLIGHT:SQL:SCALE             - Column scale/decimal digits if applicable
  *  - ARROW:FLIGHT:SQL:IS_AUTO_INCREMENT - "1" indicates if the column is auto incremented, "0" otherwise.
@@ -1457,6 +1461,7 @@ message ActionClosePreparedStatementRequest {
  *    - ARROW:FLIGHT:SQL:CATALOG_NAME      - Table's catalog name
  *    - ARROW:FLIGHT:SQL:DB_SCHEMA_NAME    - Database schema name
  *    - ARROW:FLIGHT:SQL:TABLE_NAME        - Table name
+ *    - ARROW:FLIGHT:SQL:TYPE_NAME         - The data source-specific name for the data type of the column.
  *    - ARROW:FLIGHT:SQL:PRECISION         - Column precision/size
  *    - ARROW:FLIGHT:SQL:SCALE             - Column scale/decimal digits if applicable
  *    - ARROW:FLIGHT:SQL:IS_AUTO_INCREMENT - "1" indicates if the column is auto incremented, "0" otherwise.
@@ -1491,6 +1496,7 @@ message TicketStatementQuery {
  *    - ARROW:FLIGHT:SQL:CATALOG_NAME      - Table's catalog name
  *    - ARROW:FLIGHT:SQL:DB_SCHEMA_NAME    - Database schema name
  *    - ARROW:FLIGHT:SQL:TABLE_NAME        - Table name
+ *    - ARROW:FLIGHT:SQL:TYPE_NAME         - The data source-specific name for the data type of the column.
  *    - ARROW:FLIGHT:SQL:PRECISION         - Column precision/size
  *    - ARROW:FLIGHT:SQL:SCALE             - Column scale/decimal digits if applicable
  *    - ARROW:FLIGHT:SQL:IS_AUTO_INCREMENT - "1" indicates if the column is auto incremented, "0" otherwise.
@@ -1545,4 +1551,4 @@ message DoPutUpdateResult {
 
 extend google.protobuf.MessageOptions {
   bool experimental = 1000;
-}
+}
\ No newline at end of file