Two more link fixes.
diff --git a/include/freetype/freetype.h b/include/freetype/freetype.h
index 2e3d76a..ea0e080 100644
--- a/include/freetype/freetype.h
+++ b/include/freetype/freetype.h
@@ -3897,8 +3897,10 @@
*
* This process can cost performance. There is an approximation that
* does not need to know about the background color; see
- * https://bel.fi/alankila/lcd/ and
- * https://bel.fi/alankila/lcd/alpcor.html for details.
+ * https://web.archive.org/web/20211019204945/https://bel.fi/alankila/lcd/
+ * and
+ * https://web.archive.org/web/20210211002939/https://bel.fi/alankila/lcd/alpcor.html
+ * for details.
*
* **ATTENTION**: Linear blending is even more important when dealing
* with subpixel-rendered glyphs to prevent color-fringing! A
