diff --git a/doc/SD2_SQL_guide.md b/doc/SD3_SQL_guide.md similarity index 100% rename from doc/SD2_SQL_guide.md rename to doc/SD3_SQL_guide.md diff --git a/doc/SD2_Script_Layout.md b/doc/SD3_Script_Layout.md similarity index 100% rename from doc/SD2_Script_Layout.md rename to doc/SD3_Script_Layout.md diff --git a/doc/SD2_Text-tables.md b/doc/SD3_Text-tables.md similarity index 100% rename from doc/SD2_Text-tables.md rename to doc/SD3_Text-tables.md