Expand description of ConnectionTimeout.

Author: bgrainger

src/MySqlConnector/MySql.Data.MySqlClient/MySqlConnection.cs

@@ -401,9 +401,11 @@ private SchemaProvider GetSchemaProvider()
 #endif
 
  		/// <summary>
-        /// Gets the time (in seconds) to wait while trying to establish a connection
-        /// before terminating the attempt and generating an error. The default value is 15 seconds.
-        /// </summary>
+		/// Gets the time (in seconds) to wait while trying to establish a connection
+		/// before terminating the attempt and generating an error. This value
+		/// is controlled by <see cref="MySqlConnectionStringBuilder.ConnectionTimeout"/>,
+		/// which defaults to 15 seconds.
+		/// </summary>
 		public override int ConnectionTimeout => GetConnectionSettings().ConnectionTimeout;
 
 		public event MySqlInfoMessageEventHandler? InfoMessage;

src/MySqlConnector/MySql.Data.MySqlClient/MySqlConnectionStringBuilder.cs

@@ -208,6 +208,10 @@ public string? CharacterSet
 			set => MySqlConnectionStringOption.CharacterSet.SetValue(this, value);
 		}
 
+		/// <summary>
+		/// The length of time (in seconds) to wait for a connection to the server before terminating the attempt and generating an error.
+		/// The default value is 15.
+		/// </summary>
 		public uint ConnectionTimeout
 		{
 			get => MySqlConnectionStringOption.ConnectionTimeout.GetValue(this);