diff --git a/include/kernel/arch/i686/interrupts.h b/include/kernel/arch/i686/interrupts.h
index 40ca157..f6fd51e 100644
--- a/include/kernel/arch/i686/interrupts.h
+++ b/include/kernel/arch/i686/interrupts.h
@@ -175,3 +175,5 @@ static ALWAYS_INLINE bool interrupts_test_and_disable(void)
 }
 
 #endif /* KERNEL_I686_INTERRUPTS_H */
+
+/** @} */
diff --git a/include/kernel/mmu.h b/include/kernel/mmu.h
index 757db34..5fbf2d3 100644
--- a/include/kernel/mmu.h
+++ b/include/kernel/mmu.h
@@ -108,3 +108,5 @@ void mmu_identity_map(paddr_t start, paddr_t end, int prot);
 paddr_t mmu_find_physical(vaddr_t);
 
 #endif /* KERNEL_MMU_H */
+
+/** @} */
diff --git a/include/kernel/process.h b/include/kernel/process.h
index 82fb0a1..9bed38f 100644
--- a/include/kernel/process.h
+++ b/include/kernel/process.h
@@ -59,6 +59,7 @@ typedef struct process {
     /** Information relative to the current state of the process */
     union {
 
+        /** For running processes only */
         struct {
             /** End of the currently running process's timeslice */
             timestamp_t preempt;
diff --git a/include/kernel/spinlock.h b/include/kernel/spinlock.h
index 78aa55b..56f573f 100644
--- a/include/kernel/spinlock.h
+++ b/include/kernel/spinlock.h
@@ -30,3 +30,5 @@ static ALWAYS_INLINE void spinlock_release(spinlock_t *lock)
 {
     __atomic_clear(&lock->locked, __ATOMIC_RELEASE);
 }
+
+/** @} */
diff --git a/include/kernel/symbols.h b/include/kernel/symbols.h
index 2a5b5e2..41498f1 100644
--- a/include/kernel/symbols.h
+++ b/include/kernel/symbols.h
@@ -67,3 +67,5 @@ ALWAYS_INLINE const char *kernel_symbol_name(const kernel_symbol_t *sym)
 const kernel_symbol_t *kernel_symbol_from_address(u32 address);
 
 #endif /* KERNEL_SYMBOLS_H */
+
+/** @} */
diff --git a/kernel/memory/pmm.c b/kernel/memory/pmm.c
index 6c83876..a645277 100644
--- a/kernel/memory/pmm.c
+++ b/kernel/memory/pmm.c
@@ -179,6 +179,8 @@ static bool pmm_initialize_bitmap(struct multiboot_info *mbt)
     return true;
 }
 
+/** @} */
+
 bool pmm_init(struct multiboot_info *mbt)
 {
     log_info("PMM", "Initializing pageframe allocator");
diff --git a/lib/libalgo/include/libalgo/libalgo.h b/lib/libalgo/include/libalgo/libalgo.h
index fe50836..d14fd02 100644
--- a/lib/libalgo/include/libalgo/libalgo.h
+++ b/lib/libalgo/include/libalgo/libalgo.h
@@ -9,7 +9,8 @@
  * Libalgo is my own implementation of different datastructures and algorithms
  * used by the kernel.
  *
- * They are not necessarily optimized, nor well design, but at least they exist.
+ * They are not necessarily optimized, nor well design, but they have the merit
+ * to they exist.
  *
  */
 
diff --git a/lib/libalgo/include/libalgo/linked_list.h b/lib/libalgo/include/libalgo/linked_list.h
index 58d2462..4a70842 100644
--- a/lib/libalgo/include/libalgo/linked_list.h
+++ b/lib/libalgo/include/libalgo/linked_list.h
@@ -152,3 +152,5 @@ static inline void llist_insert_sorted(llist_t *head, node_t *new,
 
     __llist_add(head, prev, new);
 }
+
+/** @} */
diff --git a/lib/libalgo/include/libalgo/queue.h b/lib/libalgo/include/libalgo/queue.h
index 8feb183..01b0cba 100644
--- a/lib/libalgo/include/libalgo/queue.h
+++ b/lib/libalgo/include/libalgo/queue.h
@@ -61,3 +61,5 @@ static ALWAYS_INLINE const node_t *queue_peek(const queue_t *queue)
 {
     return queue->head;
 }
+
+/** @} */