Assorted spelling fixes.

diff --git a/dlls/comctl32/treeview.c b/dlls/comctl32/treeview.c
index a3299c0..997a732 100644
--- a/dlls/comctl32/treeview.c
+++ b/dlls/comctl32/treeview.c
@@ -1717,23 +1717,23 @@
     if (oldWidth != infoPtr->normalImageWidth ||
         oldHeight != infoPtr->normalImageHeight)
     {
-        BOOL bRecalcVisable = FALSE;
+        BOOL bRecalcVisible = FALSE;
 
         if (oldHeight != infoPtr->normalImageHeight &&
             !infoPtr->bHeightSet)
         {
             infoPtr->uItemHeight = TREEVIEW_NaturalHeight(infoPtr);
-            bRecalcVisable = TRUE;
+            bRecalcVisible = TRUE;
         }
 
         if (infoPtr->normalImageWidth > MINIMUM_INDENT &&
             infoPtr->normalImageWidth != infoPtr->uIndent)
         {
             infoPtr->uIndent = infoPtr->normalImageWidth;
-            bRecalcVisable = TRUE;
+            bRecalcVisible = TRUE;
         }
 
-        if (bRecalcVisable)
+        if (bRecalcVisible)
             TREEVIEW_RecalculateVisibleOrder(infoPtr, NULL);
 
        TREEVIEW_UpdateSubTree(infoPtr, infoPtr->root);
diff --git a/dlls/comctl32/updown.c b/dlls/comctl32/updown.c
index 72a5c6c..8950b27 100644
--- a/dlls/comctl32/updown.c
+++ b/dlls/comctl32/updown.c
@@ -511,7 +511,7 @@
             x  = budRect.right+DEFAULT_XSEP;
         }
 
-        /* first adjust the buddy to accomodate the up/down */
+        /* first adjust the buddy to accommodate the up/down */
         SetWindowPos(infoPtr->Buddy, 0, budRect.left, budRect.top,
                      budRect.right  - budRect.left, budRect.bottom - budRect.top,
                      SWP_NOACTIVATE|SWP_NOZORDER);
@@ -524,7 +524,7 @@
         /*
          * If the updown has a buddy border, it has to overlap with the buddy
          * to look as if it is integrated with the buddy control.
-         * We nudge the control or change it size to overlap.
+         * We nudge the control or change its size to overlap.
          */
         if (UPDOWN_HasBuddyBorder(infoPtr)) {
             if(dwStyle & UDS_ALIGNLEFT)
diff --git a/dlls/dbghelp/symbol.c b/dlls/dbghelp/symbol.c
index 2222db7..35b5cc6 100644
--- a/dlls/dbghelp/symbol.c
+++ b/dlls/dbghelp/symbol.c
@@ -480,7 +480,7 @@
                         sym_info->Flags |= SYMFLAG_LOCAL | SYMFLAG_FRAMEREL;
                     else
                         sym_info->Flags |= SYMFLAG_PARAMETER | SYMFLAG_FRAMEREL;
-                    /* FIXME: needed ? moreover, it's i386 dependant !!! */
+                    /* FIXME: needed ? moreover, it's i386 dependent !!! */
                     sym_info->Register = CV_REG_EBP;
                     sym_info->Address = data->u.s.offset;
                 }
diff --git a/dlls/ole32/datacache.c b/dlls/ole32/datacache.c
index f560f3d..8ce11d1 100644
--- a/dlls/ole32/datacache.c
+++ b/dlls/ole32/datacache.c
@@ -131,7 +131,7 @@
 /*
  * Here, I define utility macros to help with the casting of the
  * "this" parameter.
- * There is a version to accomodate all of the VTables implemented
+ * There is a version to accommodate all of the VTables implemented
  * by this object.
  */
 #define _ICOM_THIS_From_IDataObject(class,name)       class* this = (class*)name
diff --git a/dlls/ole32/defaulthandler.c b/dlls/ole32/defaulthandler.c
index daa40c6..c7d12f2 100644
--- a/dlls/ole32/defaulthandler.c
+++ b/dlls/ole32/defaulthandler.c
@@ -123,7 +123,7 @@
 /*
  * Here, I define utility macros to help with the casting of the
  * "this" parameter.
- * There is a version to accomodate all of the VTables implemented
+ * There is a version to accommodate all of the VTables implemented
  * by this object.
  */
 #define _ICOM_THIS_From_IOleObject(class,name)       class* this = (class*)name
diff --git a/dlls/oleaut32/olefont.c b/dlls/oleaut32/olefont.c
index dc888b0..bb03923 100644
--- a/dlls/oleaut32/olefont.c
+++ b/dlls/oleaut32/olefont.c
@@ -101,7 +101,7 @@
 /*
  * Here, I define utility macros to help with the casting of the
  * "this" parameter.
- * There is a version to accomodate all of the VTables implemented
+ * There is a version to accommodate all of the VTables implemented
  * by this object.
  */
 #define _ICOM_THIS_From_IDispatch(class, name) class* this = (class*)(((char*)name)-sizeof(void*))
diff --git a/dlls/quartz/filtermapper.c b/dlls/quartz/filtermapper.c
index a72a9d4..201a540 100644
--- a/dlls/quartz/filtermapper.c
+++ b/dlls/quartz/filtermapper.c
@@ -704,11 +704,11 @@
         *ppMoniker = NULL;
 
     if (!pclsidCategory)
-        /* MSDN mentions the non existing CLSID_ActiveMovieFilters GUID.
+        /* MSDN mentions the inexistent CLSID_ActiveMovieFilters GUID.
          * In fact this is the CLSID_LegacyAmFilterCategory one */
         pclsidCategory = &CLSID_LegacyAmFilterCategory;
 
-    /* sizeof... will include null terminator and
+    /* sizeof... will include the null terminator and
      * the + 1 is for the separator ('\\'). The -1 is
      * because CHARS_IN_GUID includes the null terminator
      */
diff --git a/dlls/shell32/shelllink.c b/dlls/shell32/shelllink.c
index 163a3cf..2ec50b0 100644
--- a/dlls/shell32/shelllink.c
+++ b/dlls/shell32/shelllink.c
@@ -1323,7 +1323,7 @@
 
 	    This->bDirty = TRUE;
 	} else
-	    hr = S_OK;    /* don't report any error occured while just caching information */
+	    hr = S_OK;    /* don't report an error occurred while just caching information */
     }
 
     if (!This->sIcoPath && This->sPath) {
@@ -1750,7 +1750,7 @@
 
 	    This->bDirty = TRUE;
 	} else
-	    hr = S_OK;    /* don't report any error occured while just caching information */
+	    hr = S_OK;    /* don't report an error occurred while just caching information */
     }
 
     if (!This->sIcoPath && This->sPath) {
diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index 14c9dcb..27ee06c 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -767,7 +767,7 @@
           strcpy(pIdentifier->Driver, "Display");
           strcpy(pIdentifier->Description, "Direct3D HAL");
 
-          /* Note dx8 doesnt supply a DeviceName */
+          /* Note dx8 doesn't supply a DeviceName */
           if (NULL != pIdentifier->DeviceName) strcpy(pIdentifier->DeviceName, "\\\\.\\DISPLAY"); /* FIXME: May depend on desktop? */
           pIdentifier->DriverVersion->u.HighPart = 0xa;
           pIdentifier->DriverVersion->u.LowPart = This->gl_info.gl_driver_version;