diff --git a/SUMMARY.md b/SUMMARY.md
index e491702..62d423e 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -1,5 +1,7 @@
-### Содержание
+# Summary
 
+## Содержание
+* [Введение](README.md)
 * [Процесс загрузки ядра](Booting/README.md)
     * [От загрузчика к ядру](Booting/linux-bootstrap-1.md)
     * [Первые шаги в коде настройки ядра](Booting/linux-bootstrap-2.md)
@@ -46,15 +48,15 @@
     * [Queued spinlocks](SyncPrim/sync-2.md)
     * [Semaphores](SyncPrim/sync-3.md)
     * [Mutex](SyncPrim/sync-4.md)
-    * [Reader/Writer semaphores](SyncPrim/sync-5.md)
+    * [Reader\/Writer semaphores](SyncPrim/sync-5.md)
     * [SeqLock](SyncPrim/sync-6.md)
-    * [RCU]()
-    * [Lockdep]()
+    * RCU
+    * Lockdep
 * [Memory management](mm/README.md)
     * [Memblock](MM/linux-mm-1.md)
     * [Fixmaps and ioremap](MM/linux-mm-2.md)
     * [kmemcheck](MM/linux-mm-3.md)
-* [Cgroups]()
+* Cgroups
     * [Introduction](Cgroups/cgroups1.md)
 * [Concepts](Concepts/README.md)
     * [Per-CPU variables](Concepts/per-cpu.md)
@@ -69,18 +71,19 @@
     * [Paging](Theory/Paging.md)
     * [Elf64](Theory/ELF.md)
     * [Inline assembly](Theory/asm.md)
-    * [CPUID]()
-    * [MSR]()
-* [Initial ram disk]()
-   * [initrd]()
+    * CPUID
+    * MSR
+* Initial ram disk
+    * initrd
 * [Misc](Misc/README.md)
     * [How the kernel is compiled](Misc/how_kernel_compiled.md)
     * [Linkers](Misc/linkers.md)
     * [Linux kernel development](Misc/contribute.md)
     * [Program startup process in userspace](Misc/program_startup.md)
-    * [Write and Submit your first Linux kernel Patch]()
-    * [Data types in the kernel]()
+    * Write and Submit your first Linux kernel Patch
+    * Data types in the kernel
 * [KernelStructures](KernelStructures/README.md)
-    * [IDT](KernelStructures/idt.md)    
+    * [IDT](KernelStructures/idt.md)
 * [Полезные ссылки](LINKS.md)
 * [Участники](contributors-ru.md)
+