diff --git a/src/hb-unicode.h b/src/hb-unicode.h
index 5fd6dffc5..43b04ca99 100644
--- a/src/hb-unicode.h
+++ b/src/hb-unicode.h
@@ -35,36 +35,36 @@ HB_BEGIN_DECLS
 /* Unicode General Category property */
 typedef enum
 {
-  HB_CATEGORY_CONTROL,
-  HB_CATEGORY_FORMAT,
-  HB_CATEGORY_UNASSIGNED,
-  HB_CATEGORY_PRIVATE_USE,
-  HB_CATEGORY_SURROGATE,
-  HB_CATEGORY_LOWERCASE_LETTER,
-  HB_CATEGORY_MODIFIER_LETTER,
-  HB_CATEGORY_OTHER_LETTER,
-  HB_CATEGORY_TITLECASE_LETTER,
-  HB_CATEGORY_UPPERCASE_LETTER,
-  HB_CATEGORY_COMBINING_MARK,
-  HB_CATEGORY_ENCLOSING_MARK,
-  HB_CATEGORY_NON_SPACING_MARK,
-  HB_CATEGORY_DECIMAL_NUMBER,
-  HB_CATEGORY_LETTER_NUMBER,
-  HB_CATEGORY_OTHER_NUMBER,
-  HB_CATEGORY_CONNECT_PUNCTUATION,
-  HB_CATEGORY_DASH_PUNCTUATION,
-  HB_CATEGORY_CLOSE_PUNCTUATION,
-  HB_CATEGORY_FINAL_PUNCTUATION,
-  HB_CATEGORY_INITIAL_PUNCTUATION,
-  HB_CATEGORY_OTHER_PUNCTUATION,
-  HB_CATEGORY_OPEN_PUNCTUATION,
-  HB_CATEGORY_CURRENCY_SYMBOL,
-  HB_CATEGORY_MODIFIER_SYMBOL,
-  HB_CATEGORY_MATH_SYMBOL,
-  HB_CATEGORY_OTHER_SYMBOL,
-  HB_CATEGORY_LINE_SEPARATOR,
-  HB_CATEGORY_PARAGRAPH_SEPARATOR,
-  HB_CATEGORY_SPACE_SEPARATOR
+  HB_CATEGORY_CONTROL,			/* Cc */
+  HB_CATEGORY_FORMAT,			/* Cf */
+  HB_CATEGORY_UNASSIGNED,		/* Cn */
+  HB_CATEGORY_PRIVATE_USE,		/* Co */
+  HB_CATEGORY_SURROGATE,		/* Cs */
+  HB_CATEGORY_LOWERCASE_LETTER,		/* Ll */
+  HB_CATEGORY_MODIFIER_LETTER,		/* Lm */
+  HB_CATEGORY_OTHER_LETTER,		/* Lo */
+  HB_CATEGORY_TITLECASE_LETTER,		/* Lt */
+  HB_CATEGORY_UPPERCASE_LETTER,		/* Lu */
+  HB_CATEGORY_COMBINING_MARK,		/* Mc */
+  HB_CATEGORY_ENCLOSING_MARK,		/* Me */
+  HB_CATEGORY_NON_SPACING_MARK,		/* Mn */
+  HB_CATEGORY_DECIMAL_NUMBER,		/* Nd */
+  HB_CATEGORY_LETTER_NUMBER,		/* Nl */
+  HB_CATEGORY_OTHER_NUMBER,		/* No */
+  HB_CATEGORY_CONNECT_PUNCTUATION,	/* Pc */
+  HB_CATEGORY_DASH_PUNCTUATION,		/* Pd */
+  HB_CATEGORY_CLOSE_PUNCTUATION,	/* Pe */
+  HB_CATEGORY_FINAL_PUNCTUATION,	/* Pf */
+  HB_CATEGORY_INITIAL_PUNCTUATION,	/* Pi */
+  HB_CATEGORY_OTHER_PUNCTUATION,	/* Po */
+  HB_CATEGORY_OPEN_PUNCTUATION,		/* Ps */
+  HB_CATEGORY_CURRENCY_SYMBOL,		/* Sc */
+  HB_CATEGORY_MODIFIER_SYMBOL,		/* Sk */
+  HB_CATEGORY_MATH_SYMBOL,		/* Sm */
+  HB_CATEGORY_OTHER_SYMBOL,		/* So */
+  HB_CATEGORY_LINE_SEPARATOR,		/* Zl */
+  HB_CATEGORY_PARAGRAPH_SEPARATOR,	/* Zp */
+  HB_CATEGORY_SPACE_SEPARATOR		/* Zs */
 } hb_category_t;
 
 /* Unicode Script property */