diff --git a/gpl-lgpl.tex b/gpl-lgpl.tex
index e64561d..a9f169b 100644
--- a/gpl-lgpl.tex
+++ b/gpl-lgpl.tex
@@ -108,7 +108,7 @@ to have learned the following:
   \item How existing GPL'd software can be used in existing enterprises.
 
   \item The basics of LGPLv2.1 and LGPLv3, and how they
-    differs from the GPLv2 and GPLv3, respectively.
+    differ from the GPLv2 and GPLv3, respectively.
 
   \item The basics to begin understanding the complexities regarding
     derivative and combined works of software.