diff --git a/SUMMARY.md b/SUMMARY.md
index 15ff872..a0d963c 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -4,10 +4,11 @@
 * [Use the Tools Available](02-Use_the_Tools_Available.md)
 * [Style](03-Style.md)
 * [Considering Safety](04-Considering_Safety.md)
-* [Considering Portability](05-Considering_Portability.md)
-* [Considering Threadability](06-Considering_Threadability.md)
-* [Considering Performance](07-Considering_Performance.md)
-* [Enable Scripting](08-Enable_Scripting.md)
-* [Further Reading](09-Further_Reading.md)
-* [Final Thoughts](10-Final_Thoughts.md)
+* [Considering Maintainability](05-Considering_Maintainability.md)
+* [Considering Portability](06-Considering_Portability.md)
+* [Considering Threadability](07-Considering_Threadability.md)
+* [Considering Performance](08-Considering_Performance.md)
+* [Enable Scripting](09-Enable_Scripting.md)
+* [Further Reading](10-Further_Reading.md)
+* [Final Thoughts](11-Final_Thoughts.md)