diff --git a/src/doc/guide.md b/src/doc/guide.md
index 4577c5a86d7..869a9af166a 100644
--- a/src/doc/guide.md
+++ b/src/doc/guide.md
@@ -421,16 +421,6 @@ return
 
 comments
 
-## Testing
-
-attributes
-
-stability markers
-
-## Crates and Modules
-
-visibility
-
 ## Compound Data Types
 
 Tuples
@@ -451,10 +441,21 @@ loop
 
 break/continue
 
-iterators
+## iterators
 
 ## Lambdas
 
+## Testing
+
+attributes
+
+stability markers
+
+## Crates and Modules
+
+visibility
+
+
 ## Generics
 
 ## Traits