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diff --git a/spec.rst b/spec.rst
index 25d1f881..694febd7 100644
--- a/spec.rst
+++ b/spec.rst
@@ -159,17 +159,17 @@ Chapter 3.2 Prefrences
 
 3.2.14 Shortcut Keys
 
-3.2.17 Users and Groups
+3.2.15 Users and Groups
 
-3.2.18 Window Effects
+3.2.16 Window Effects
 
-3.2.19 Alternatives Configurator
+3.2.17 Alternatives Configurator
 
-3.2.20 ibus Prefrences
+3.2.18 ibus Prefrences
 
-3.2.21 Printers
+3.2.19 Printers
 
-3.2.22 Screensaver
+3.2.20 Screensaver
 
 ------------------------------------------------------
 Chapter 4 Installing, Updating, and Removing  Software