diff --git a/AUTHORS b/AUTHORS
index 5622ca8c..d20278e1 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -29,6 +29,7 @@ Aram Tumanian (atumanian)
 Arjun Temurnikar
 Artem Solopiy (EntityFX)
 Auguste Pop
+Balazs Szilagyi
 Balint Pfliegel
 Ben Chaney (Chaneybenjamini)
 Ben Koshy (BKSpurgeon)
diff --git a/src/syzygy/tbprobe.cpp b/src/syzygy/tbprobe.cpp
index 56cc016a..838453b6 100644
--- a/src/syzygy/tbprobe.cpp
+++ b/src/syzygy/tbprobe.cpp
@@ -1023,7 +1023,7 @@ uint8_t* set_sizes(PairsData* d, uint8_t* data) {
     // frequent adjacent pair of symbols in the source message by a new symbol,
     // reevaluating the frequencies of all of the symbol pairs with respect to
     // the extended alphabet, and then repeating the process.
-    // See http://www.larsson.dogma.net/dcc99.pdf
+    // See https://web.archive.org/web/20201106232444/http://www.larsson.dogma.net/dcc99.pdf
     std::vector<bool> visited(d->symlen.size());
 
     for (Sym sym = 0; sym < d->symlen.size(); ++sym)