diff --git a/src/SQLiteC++/Database.cpp b/src/SQLiteC++/Database.cpp
index fa6a15b..9e40d72 100644
--- a/src/SQLiteC++/Database.cpp
+++ b/src/SQLiteC++/Database.cpp
@@ -41,7 +41,7 @@ Database::~Database(void) throw() // nothrow
     }
 }
 
-// Shortcut to execute one or multiple SQL statements without results.
+// Shortcut to execute one or multiple SQL statements without results (UPDATE, INSERT, ALTER, COMMIT...).
 int Database::exec(const char* apQueries) // throw(SQLite::Exception);
 {
     int ret = sqlite3_exec(mpSQLite, apQueries, NULL, NULL, NULL);
diff --git a/src/SQLiteC++/Database.h b/src/SQLiteC++/Database.h
index 49de0c9..f5c5949 100644
--- a/src/SQLiteC++/Database.h
+++ b/src/SQLiteC++/Database.h
@@ -57,9 +57,12 @@ public:
     /**
      * @brief Shortcut to execute one or multiple statements without results.
      *
-     *  This is useful for Data Manipulation Language SQL statements like CREATE, INSERT, UPDATE, DROP
+     *  This is useful for any kind of statements other than the Data Query Language (DQL) "SELECT" :
+     *  - Data Definition Language (DDL) statements "CREATE", "ALTER" and "DROP"
+     *  - Data Manipulation Language (DML) statements "INSERT", "UPDATE" and "DELETE"
+     *  - Data Control Language (DCL) statements "GRANT", "REVOKE", "COMMIT" and "ROLLBACK"
      *
-     * @see also Statement class for handling queries with results
+     * @see Statement class and Statement::executeStep() for handling "SELECT" queries with results
      *
      * @param[in] apQueries  one or multiple UTF-8 encoded, semicolon-separate SQL statements
      */
diff --git a/src/SQLiteC++/Statement.h b/src/SQLiteC++/Statement.h
index 347ec17..5e33997 100644
--- a/src/SQLiteC++/Statement.h
+++ b/src/SQLiteC++/Statement.h
@@ -118,6 +118,8 @@ public:
      *                               then you have to call executeStep() again to fetch more rows until the query is finished
      *         - false (SQLITE_DONE) if the query has finished executing : there is no (more) row of result
      *                               (case of a query with no result, or after N rows fetched successfully)
+     *
+     * @see Database::exec() is a shortcut to execute one or multiple statements without results
      */
     bool executeStep(void); // throw(SQLite::Exception);