diff --git a/reactos/ntoskrnl/config/powerpc/cmhardwr.c b/reactos/ntoskrnl/config/powerpc/cmhardwr.c
index f034f537433..ec7ffd2d3f1 100644
--- a/reactos/ntoskrnl/config/powerpc/cmhardwr.c
+++ b/reactos/ntoskrnl/config/powerpc/cmhardwr.c
@@ -827,7 +827,7 @@ CmpInitializeMachineDependentConfiguration(IN PLOADER_PARAMETER_BLOCK LoaderBloc
     if (BiosVersion) ExFreePoolWithTag(BiosVersion, TAG_CM);
 
 Quickie:
-    /* Close the procesor handle */
+    /* Close the processor handle */
     NtClose(KeyHandle);
     return STATUS_SUCCESS;
 }
diff --git a/reactos/ntoskrnl/ex/atom.c b/reactos/ntoskrnl/ex/atom.c
index 7f75947d5bd..93d78a661bf 100644
--- a/reactos/ntoskrnl/ex/atom.c
+++ b/reactos/ntoskrnl/ex/atom.c
@@ -78,7 +78,7 @@ ExpGetGlobalAtomTable(VOID)
  *        Pointer to RTL_ATOM
  *
  * @return STATUS_SUCCESS in case of success, proper error code
- *         othwerwise.
+ *         otherwise.
  *
  * @remarks None
  *
@@ -198,7 +198,7 @@ NtAddAtom(IN PWSTR AtomName,
  *        Atom identifier
  *
  * @return STATUS_SUCCESS in case of success, proper error code
- *         othwerwise.
+ *         otherwise.
  *
  * @remarks None
  *
@@ -235,7 +235,7 @@ NtDeleteAtom(IN RTL_ATOM Atom)
  *        Pointer to RTL_ATOM
  *
  * @return STATUS_SUCCESS in case of success, proper error code
- *         othwerwise.
+ *         otherwise.
  *
  * @remarks None
  *
@@ -360,7 +360,7 @@ NtFindAtom(IN PWSTR AtomName,
  *        buffer size
  *
  * @return STATUS_SUCCESS in case of success, proper error code
- *         othwerwise.
+ *         otherwise.
  *
  * @remarks None
  *
diff --git a/reactos/ntoskrnl/ex/callback.c b/reactos/ntoskrnl/ex/callback.c
index 99bd8aaca4c..6ef87970a0b 100644
--- a/reactos/ntoskrnl/ex/callback.c
+++ b/reactos/ntoskrnl/ex/callback.c
@@ -221,7 +221,7 @@ ExCompareExchangeCallBack(IN OUT PEX_CALLBACK CallBack,
         /* It failed, check if we had a block */
         if (NewBlock)
         {
-            /* We did, remove the refernces that we had added */
+            /* We did, remove the references that we had added */
             ExfReleaseRundownProtectionEx(&NewBlock->RundownProtect,
                                           MAX_FAST_REFS + 1);
         }
@@ -333,7 +333,7 @@ ExpInitializeCallbacks(VOID)
  * @implemented
  *
  * Opens or creates a Callback Object. Creates only if Create is true.
- * Allows multiple Callback Functions to be registred only if
+ * Allows multiple Callback Functions to be registered only if
  * AllowMultipleCallbacks is true.
  * See: http://www.osronline.com/ddkx/kmarch/k102_967m.htm
  *      http://www.osronline.com/article.cfm?id=24
diff --git a/reactos/ntoskrnl/ex/exintrin.c b/reactos/ntoskrnl/ex/exintrin.c
index df80cae1064..6408df9aa29 100644
--- a/reactos/ntoskrnl/ex/exintrin.c
+++ b/reactos/ntoskrnl/ex/exintrin.c
@@ -103,7 +103,7 @@ ProbeForRead(IN CONST VOID *Address,
              IN SIZE_T Length,
              IN ULONG Alignment)
 {
-	ULONG_PTR Last, Current = (ULONG_PTR)Address;
+    ULONG_PTR Last, Current = (ULONG_PTR)Address;
     PAGED_CODE();
 
     /* Only probe if we have a valid length */
diff --git a/reactos/ntoskrnl/ex/fmutex.c b/reactos/ntoskrnl/ex/fmutex.c
index 5f1743b8d7f..8c0338a2c77 100644
--- a/reactos/ntoskrnl/ex/fmutex.c
+++ b/reactos/ntoskrnl/ex/fmutex.c
@@ -31,7 +31,7 @@ FASTCALL
 ExEnterCriticalRegionAndAcquireFastMutexUnsafe(IN OUT PFAST_MUTEX FastMutex)
 {
     /* Call the inline */
-	_ExEnterCriticalRegionAndAcquireFastMutexUnsafe(FastMutex);
+    _ExEnterCriticalRegionAndAcquireFastMutexUnsafe(FastMutex);
 }
 
 /*
@@ -42,7 +42,7 @@ FASTCALL
 ExReleaseFastMutexUnsafeAndLeaveCriticalRegion(IN OUT PFAST_MUTEX FastMutex)
 {
     /* Call the inline */
-	_ExReleaseFastMutexUnsafeAndLeaveCriticalRegion(FastMutex);
+    _ExReleaseFastMutexUnsafeAndLeaveCriticalRegion(FastMutex);
 }
 
 /*
diff --git a/reactos/ntoskrnl/ex/handle.c b/reactos/ntoskrnl/ex/handle.c
index 648e7ab6674..7da1a174fd2 100644
--- a/reactos/ntoskrnl/ex/handle.c
+++ b/reactos/ntoskrnl/ex/handle.c
@@ -1,7 +1,7 @@
 /*
  * PROJECT:         ReactOS Kernel
  * LICENSE:         GPL - See COPYING in the top level directory
- * FILE:            ntoskrnl/ex/init.c
+ * FILE:            ntoskrnl/ex/handle.c
  * PURPOSE:         Generic Executive Handle Tables
  * PROGRAMMERS:     Alex Ionescu (alex.ionescu@reactos.org)
  *                  Thomas Weidenmueller <w3seek@reactos.com>
@@ -516,7 +516,7 @@ ExpAllocateHandleTableEntrySlow(IN PHANDLE_TABLE HandleTable,
             Mid = ExpAllocateMidLevelTable(HandleTable, DoInit, &Low);
             if (!Mid)
             {
-                /* We failed, free the high level table as welll */
+                /* We failed, free the high level table as well */
                 ExpFreeTablePagedPool(HandleTable->QuotaProcess,
                                       High,
                                       SizeOfHandle(HIGH_LEVEL_ENTRIES));
@@ -928,7 +928,7 @@ ExDestroyHandleTable(IN PHANDLE_TABLE HandleTable,
     /* Remove the handle from the list */
     ExRemoveHandleTable(HandleTable);
 
-    /* Check if we have a desotry callback */
+    /* Check if we have a destroy callback */
     if (DestroyHandleProcedure)
     {
         /* FIXME: */
diff --git a/reactos/ntoskrnl/ex/locale.c b/reactos/ntoskrnl/ex/locale.c
index f997fc42a93..c9e4cec859d 100644
--- a/reactos/ntoskrnl/ex/locale.c
+++ b/reactos/ntoskrnl/ex/locale.c
@@ -237,7 +237,7 @@ NtSetDefaultLocale(IN BOOLEAN UserProfile,
         UserKey = NULL;
     }
 
-    /* Initailize the object attributes */
+    /* Initialize the object attributes */
     InitializeObjectAttributes(&ObjectAttributes,
                               &KeyName,
                               OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,