diff --git a/Spectre.md b/Spectre.md
index 8db35d61..59fb75d0 100644
--- a/Spectre.md
+++ b/Spectre.md
@@ -24,7 +24,7 @@ To build a program with both mitigations (and any future mitigations) enabled in
 
 ## Acknowledgements
 
-Thanks to Andrea Mambretti _et al_ for sharing their paper (linked below) ahead of publication. And thanks to them, Chandler Carruth, and Paul Turner for helpful discussions.
+Thanks to Andrea Mambretti _et al_. for sharing their paper (linked below) ahead of publication. And thanks to them, Chandler Carruth, and Paul Turner for helpful discussions.
 
 ## References