diff --git a/doc/sql.extensions/README.context_variables b/doc/sql.extensions/README.context_variables
index 40f7fa254f..6e2cf3d258 100644
--- a/doc/sql.extensions/README.context_variables
+++ b/doc/sql.extensions/README.context_variables
@@ -28,6 +28,10 @@ CURRENT_CONNECTION / CURRENT_TRANSACTION (FB 1.5)
     2. NEW.CONN_ID = CURRENT_TRANSACTION;
     3. EXECUTE PROCEDURE P_LOGIN(CURRENT_CONNECTION);
 
+  Note(s):
+    These values are stored on the database header page,
+    so they will be reset after a database restore.
+
 
 ROW_COUNT (FB 1.5)
 ------------------
diff --git a/doc/sql.extensions/README.data_types b/doc/sql.extensions/README.data_types
index c6d846c7e4..4d8e9607a8 100644
--- a/doc/sql.extensions/README.data_types
+++ b/doc/sql.extensions/README.data_types
@@ -23,7 +23,8 @@ BIGINT (FB 1.5)
     2. CREATE TABLE TABLE1 (FIELD1 BIGINT);
 	
   Note(s):
-	Quote from the SQL-99 specification:
+    1. Available in Dialect 3 only.
+    2. Quote from the SQL-99 specification:
 
 	SMALLINT, INTEGER, and BIGINT specify the data type exact numeric,
 	with scale of 0 (zero) and binary or decimal precision. The choice