diff --git a/labcodes/lab4/kern/process/proc.c b/labcodes/lab4/kern/process/proc.c
index 11e734c..7d57c65 100644
--- a/labcodes/lab4/kern/process/proc.c
+++ b/labcodes/lab4/kern/process/proc.c
@@ -283,7 +283,7 @@ do_fork(uint32_t clone_flags, uintptr_t stack, struct trapframe *tf) {
      *                 setup the kernel entry point and stack of process
      *   hash_proc:    add proc into proc hash_list
      *   get_pid:      alloc a unique pid for process
-     *   wakeup_proc:   set proc->state = PROC_RUNNABLE
+     *   wakeup_proc:  set proc->state = PROC_RUNNABLE
      * VARIABLES:
      *   proc_list:    the process set's list
      *   nr_process:   the number of process set
diff --git a/labcodes/lab5/kern/process/proc.c b/labcodes/lab5/kern/process/proc.c
index a96ba4c..569728a 100644
--- a/labcodes/lab5/kern/process/proc.c
+++ b/labcodes/lab5/kern/process/proc.c
@@ -382,7 +382,7 @@ do_fork(uint32_t clone_flags, uintptr_t stack, struct trapframe *tf) {
      *                 setup the kernel entry point and stack of process
      *   hash_proc:    add proc into proc hash_list
      *   get_pid:      alloc a unique pid for process
-     *   wakeup_proc:   set proc->state = PROC_RUNNABLE
+     *   wakeup_proc:  set proc->state = PROC_RUNNABLE
      * VARIABLES:
      *   proc_list:    the process set's list
      *   nr_process:   the number of process set
diff --git a/labcodes/lab6/kern/process/proc.c b/labcodes/lab6/kern/process/proc.c
index ad9e308..874e835 100644
--- a/labcodes/lab6/kern/process/proc.c
+++ b/labcodes/lab6/kern/process/proc.c
@@ -392,7 +392,7 @@ do_fork(uint32_t clone_flags, uintptr_t stack, struct trapframe *tf) {
      *                 setup the kernel entry point and stack of process
      *   hash_proc:    add proc into proc hash_list
      *   get_pid:      alloc a unique pid for process
-     *   wakeup_proc:   set proc->state = PROC_RUNNABLE
+     *   wakeup_proc:  set proc->state = PROC_RUNNABLE
      * VARIABLES:
      *   proc_list:    the process set's list
      *   nr_process:   the number of process set
diff --git a/labcodes/lab7/kern/process/proc.c b/labcodes/lab7/kern/process/proc.c
index 42761de..1929aa0 100644
--- a/labcodes/lab7/kern/process/proc.c
+++ b/labcodes/lab7/kern/process/proc.c
@@ -392,7 +392,7 @@ do_fork(uint32_t clone_flags, uintptr_t stack, struct trapframe *tf) {
      *                 setup the kernel entry point and stack of process
      *   hash_proc:    add proc into proc hash_list
      *   get_pid:      alloc a unique pid for process
-     *   wakeup_proc:   set proc->state = PROC_RUNNABLE
+     *   wakeup_proc:  set proc->state = PROC_RUNNABLE
      * VARIABLES:
      *   proc_list:    the process set's list
      *   nr_process:   the number of process set
diff --git a/labcodes/lab8/kern/process/proc.c b/labcodes/lab8/kern/process/proc.c
index 92ee46e..2288968 100644
--- a/labcodes/lab8/kern/process/proc.c
+++ b/labcodes/lab8/kern/process/proc.c
@@ -440,7 +440,7 @@ do_fork(uint32_t clone_flags, uintptr_t stack, struct trapframe *tf) {
      *                 setup the kernel entry point and stack of process
      *   hash_proc:    add proc into proc hash_list
      *   get_pid:      alloc a unique pid for process
-     *   wakeup_proc:   set proc->state = PROC_RUNNABLE
+     *   wakeup_proc:  set proc->state = PROC_RUNNABLE
      * VARIABLES:
      *   proc_list:    the process set's list
      *   nr_process:   the number of process set
diff --git a/labcodes_answer/lab4_result/kern/process/proc.c b/labcodes_answer/lab4_result/kern/process/proc.c
index 6d3d56f..f0a9e36 100644
--- a/labcodes_answer/lab4_result/kern/process/proc.c
+++ b/labcodes_answer/lab4_result/kern/process/proc.c
@@ -295,7 +295,7 @@ do_fork(uint32_t clone_flags, uintptr_t stack, struct trapframe *tf) {
      *                 setup the kernel entry point and stack of process
      *   hash_proc:    add proc into proc hash_list
      *   get_pid:      alloc a unique pid for process
-     *   wakeup_proc:   set proc->state = PROC_RUNNABLE
+     *   wakeup_proc:  set proc->state = PROC_RUNNABLE
      * VARIABLES:
      *   proc_list:    the process set's list
      *   nr_process:   the number of process set
diff --git a/labcodes_answer/lab5_result/kern/process/proc.c b/labcodes_answer/lab5_result/kern/process/proc.c
index c6c5ee0..8f4c2e7 100644
--- a/labcodes_answer/lab5_result/kern/process/proc.c
+++ b/labcodes_answer/lab5_result/kern/process/proc.c
@@ -390,7 +390,7 @@ do_fork(uint32_t clone_flags, uintptr_t stack, struct trapframe *tf) {
      *                 setup the kernel entry point and stack of process
      *   hash_proc:    add proc into proc hash_list
      *   get_pid:      alloc a unique pid for process
-     *   wakeup_proc:   set proc->state = PROC_RUNNABLE
+     *   wakeup_proc:  set proc->state = PROC_RUNNABLE
      * VARIABLES:
      *   proc_list:    the process set's list
      *   nr_process:   the number of process set
diff --git a/labcodes_answer/lab6_result/kern/process/proc.c b/labcodes_answer/lab6_result/kern/process/proc.c
index 35c1333..0b47a0d 100644
--- a/labcodes_answer/lab6_result/kern/process/proc.c
+++ b/labcodes_answer/lab6_result/kern/process/proc.c
@@ -396,7 +396,7 @@ do_fork(uint32_t clone_flags, uintptr_t stack, struct trapframe *tf) {
      *                 setup the kernel entry point and stack of process
      *   hash_proc:    add proc into proc hash_list
      *   get_pid:      alloc a unique pid for process
-     *   wakeup_proc:   set proc->state = PROC_RUNNABLE
+     *   wakeup_proc:  set proc->state = PROC_RUNNABLE
      * VARIABLES:
      *   proc_list:    the process set's list
      *   nr_process:   the number of process set
diff --git a/labcodes_answer/lab7_result/kern/process/proc.c b/labcodes_answer/lab7_result/kern/process/proc.c
index 88e6cd0..98090e0 100644
--- a/labcodes_answer/lab7_result/kern/process/proc.c
+++ b/labcodes_answer/lab7_result/kern/process/proc.c
@@ -402,7 +402,7 @@ do_fork(uint32_t clone_flags, uintptr_t stack, struct trapframe *tf) {
      *                 setup the kernel entry point and stack of process
      *   hash_proc:    add proc into proc hash_list
      *   get_pid:      alloc a unique pid for process
-     *   wakeup_proc:   set proc->state = PROC_RUNNABLE
+     *   wakeup_proc:  set proc->state = PROC_RUNNABLE
      * VARIABLES:
      *   proc_list:    the process set's list
      *   nr_process:   the number of process set
diff --git a/labcodes_answer/lab8_result/kern/process/proc.c b/labcodes_answer/lab8_result/kern/process/proc.c
index f9759fe..f3f3ca9 100644
--- a/labcodes_answer/lab8_result/kern/process/proc.c
+++ b/labcodes_answer/lab8_result/kern/process/proc.c
@@ -449,7 +449,7 @@ do_fork(uint32_t clone_flags, uintptr_t stack, struct trapframe *tf) {
      *                 setup the kernel entry point and stack of process
      *   hash_proc:    add proc into proc hash_list
      *   get_pid:      alloc a unique pid for process
-     *   wakeup_proc:   set proc->state = PROC_RUNNABLE
+     *   wakeup_proc:  set proc->state = PROC_RUNNABLE
      * VARIABLES:
      *   proc_list:    the process set's list
      *   nr_process:   the number of process set
diff --git a/related_info/lab4/lab4-spoc-discuss/kern/process/proc.c b/related_info/lab4/lab4-spoc-discuss/kern/process/proc.c
index af99ebc..b54ee2a 100644
--- a/related_info/lab4/lab4-spoc-discuss/kern/process/proc.c
+++ b/related_info/lab4/lab4-spoc-discuss/kern/process/proc.c
@@ -266,7 +266,7 @@ do_fork(uint32_t clone_flags, uintptr_t stack, struct trapframe *tf) {
      *                 setup the kernel entry point and stack of process
      *   hash_proc:    add proc into proc hash_list
      *   get_pid:      alloc a unique pid for process
-     *   wakeup_proc:   set proc->state = PROC_RUNNABLE
+     *   wakeup_proc:  set proc->state = PROC_RUNNABLE
      * VARIABLES:
      *   proc_list:    the process set's list
      *   nr_process:   the number of process set
diff --git a/related_info/lab5/lab5-spoc-discuss/kern/process/proc.c b/related_info/lab5/lab5-spoc-discuss/kern/process/proc.c
index c6c5ee0..8f4c2e7 100644
--- a/related_info/lab5/lab5-spoc-discuss/kern/process/proc.c
+++ b/related_info/lab5/lab5-spoc-discuss/kern/process/proc.c
@@ -390,7 +390,7 @@ do_fork(uint32_t clone_flags, uintptr_t stack, struct trapframe *tf) {
      *                 setup the kernel entry point and stack of process
      *   hash_proc:    add proc into proc hash_list
      *   get_pid:      alloc a unique pid for process
-     *   wakeup_proc:   set proc->state = PROC_RUNNABLE
+     *   wakeup_proc:  set proc->state = PROC_RUNNABLE
      * VARIABLES:
      *   proc_list:    the process set's list
      *   nr_process:   the number of process set