#18705: fix a number of typos.  Patch by Févry Thibault.
diff --git a/Misc/ACKS b/Misc/ACKS
index fae831e..52019a8 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1015,6 +1015,7 @@
 Victor Terrón
 Richard M. Tew
 Tobias Thelen
+Févry Thibault
 Lowe Thiderman
 Nicolas M. Thiéry
 James Thomas