diff --git a/approvaltests/docs/how_to/PrintableWrappers.md b/approvaltests/docs/how_to/PrintableWrappers.md
index de712733..2383e8f5 100644
--- a/approvaltests/docs/how_to/PrintableWrappers.md
+++ b/approvaltests/docs/how_to/PrintableWrappers.md
@@ -4,12 +4,12 @@
 <!-- toc -->
 ## Contents
 
- * [Printable wrappers](#printable-wrappers)
- * [Wrap a individual object](#wrap-a-individual-object)
-   * [Label](#label)
-   * [Alternative `toString()` Function](#alternative-tostring-function)
- * [Wrap an array of objects](#wrap-an-array-of-objects)
- * [Named objects](#named-objects)<!-- endToc -->
+    * [Printable wrappers](#printable-wrappers)
+    * [Wrap a individual object](#wrap-a-individual-object)
+      * [Label](#label)
+      * [Alternative `toString()` Function](#alternative-tostring-function)
+    * [Wrap an array of objects](#wrap-an-array-of-objects)
+    * [Named objects](#named-objects)<!-- endToc -->
 
 ### Printable wrappers