usp10: Fix the spelling of some comments.

dlls/usp10/bidi.c

@@ -72,7 +72,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(bidi);
     Note:
 
       The list of bidirectional character types here is not grouped the
-      same way as the table 3-7, since the numberic values for the types
+      same way as the table 3-7, since the numeric values for the types
       are chosen to keep the state and action tables compact.
 ------------------------------------------------------------------------*/
 enum directions
@@ -1083,7 +1083,7 @@ search:
 }
 
 /*************************************************************
- *    BIDI_DeterminLevels
+ *    BIDI_DetermineLevels
  */
 BOOL BIDI_DetermineLevels(
                 const WCHAR *lpString,  /* [in] The string for which information is to be returned */

dlls/usp10/shape.c

@@ -998,7 +998,7 @@ static inline BOOL left_join_causing(CHAR joining_type)
 
 static inline BOOL word_break_causing(WCHAR chr)
 {
-    /* we are working within a string of characters already guareented to
+    /* we are working within a string of characters already guaranteed to
        be within one script, Syriac, so we do not worry about any character
        other than the space character outside of that range */
     return (chr == 0 || chr == 0x20 );

dlls/usp10/usp10.c

@@ -3009,7 +3009,7 @@ HRESULT WINAPI ScriptXtoCP(int iX,
         else /* (glyph_index >= cGlyphs) */
             i = cChars;
 
-        /* If not snaping in the reverse direction (such as Hebrew) Then 0
+        /* If not snapping in the reverse direction (such as Hebrew) Then 0
            point flow to the next character */
         if (direction < 0)
         {