Typo fixes in comments.

controls/combo.c

@@ -459,7 +459,7 @@ static LRESULT COMBO_WindowPosChanging(
     /*
      * Resizing a combobox has another side effect, it resizes the dropped
      * rectangle as well. However, it does it only if the new height for the
-     * combobox is different than the height it should have. In other words,
+     * combobox is different from the height it should have. In other words,
      * if the application resizing the combobox only had the intention to resize
      * the actual control, for example, to do the layout of a dialog that is
      * resized, the height of the dropdown is not changed.

dlls/msvcrt/mbcs.c

@@ -5,7 +5,7 @@
  * Copyright 2000 Jon Griffths
  *
  * FIXME
- * Not currently binary compatable with win32. MSVCRT_mbctype must be
+ * Not currently binary compatible with win32. MSVCRT_mbctype must be
  * populated correctly and the ismb* functions should reference it.
  */
 #include "msvcrt.h"

objects/bitmap.c

@@ -262,7 +262,7 @@ LONG WINAPI GetBitmapBits(
     count = height * bmp->bitmap.bmWidthBytes;
     if (count == 0)
       {
-	WARN("Less then one entire line requested\n");
+	WARN("Less than one entire line requested\n");
         ret = 0;
         goto done;
       }

tools/specmaker/output.c

@@ -353,7 +353,7 @@ static void output_c_postamble (void)
 /*******************************************************************
  *         output_makefile
  *
- * Write a Wine compatable makefile.in
+ * Write a Wine compatible makefile.in
  */
 void  output_makefile (void)
 {
@@ -545,4 +545,4 @@ static const char *get_in_or_out (const parsed_symbol *sym, size_t arg)
   }
   assert (0);
   return "";
-}
+}