Update guide.md

Update table of contents.

Spring-Boot/version/documents/1.4.7/guide.md

@@ -157,15 +157,21 @@ Copyright © 2012-2017
       - [27.1.6. Custom Favicon](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-spring-mvc-favicon)
       - [27.1.7. ConfigurableWebBindingInitializer](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-spring-mvc-web-binding-initializer)
       - [27.1.8. Template engines](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-spring-mvc-template-engines)
-      - [27.1.9. Error Handling](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-error-handling)[Custom error pages](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-error-handling-custom-error-pages)[Mapping error pages outside of Spring MVC](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-error-handling-mapping-error-pages-without-mvc)[Error Handling on WebSphere Application Server](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-error-handling-websphere)
+      - [27.1.9. Error Handling](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-error-handling)
+        - [Custom error pages](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-error-handling-custom-error-pages)
+	- [Mapping error pages outside of Spring MVC](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-error-handling-mapping-error-pages-without-mvc)
+	- [Error Handling on WebSphere Application Server](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-error-handling-websphere)
       - [27.1.10. Spring HATEOAS](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-spring-hateoas)
       - [27.1.11. CORS support](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-cors)
     - [27.2. JAX-RS and Jersey](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-jersey)
     - [27.3. Embedded servlet container support](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-embedded-container)
       - [27.3.1. Servlets, Filters, and listeners](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-embedded-container-servlets-filters-listeners)[Registering Servlets, Filters, and listeners as Spring beans](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-embedded-container-servlets-filters-listeners-beans)
-      - [27.3.2. Servlet Context Initialization](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-embedded-container-context-initializer)[Scanning for Servlets, Filters, and listeners](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-embedded-container-servlets-filters-listeners-scanning)
+      - [27.3.2. Servlet Context Initialization](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-embedded-container-context-initializer)
+        - [Scanning for Servlets, Filters, and listeners](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-embedded-container-servlets-filters-listeners-scanning)
       - [27.3.3. The EmbeddedWebApplicationContext](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-embedded-container-application-context)
-      - [27.3.4. Customizing embedded servlet containers](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-customizing-embedded-containers)[Programmatic customization](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-programmatic-embedded-container-customization)[Customizing ConfigurableEmbeddedServletContainer directly](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-customizing-configurableembeddedservletcontainerfactory-directly)
+      - [27.3.4. Customizing embedded servlet containers](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-customizing-embedded-containers)
+        - [Programmatic customization](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-programmatic-embedded-container-customization)
+	- [Customizing ConfigurableEmbeddedServletContainer directly](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-customizing-configurableembeddedservletcontainerfactory-directly)
       - [27.3.5. JSP limitations](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-jsp-limitations)
   - [28. Security](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-security)
     - [28.1. OAuth2](https://docs.spring.io/spring-boot/docs/1.4.7.RELEASE/reference/htmlsingle/#boot-features-security-oauth2)