diff --git a/presentations/1hr-GPL/1hr-GPL.markdown b/presentations/1hr-GPL/1hr-GPL.markdown
index 0a415c6..62aaf7a 100644
--- a/presentations/1hr-GPL/1hr-GPL.markdown
+++ b/presentations/1hr-GPL/1hr-GPL.markdown
@@ -131,7 +131,7 @@
 
 + General concept: copyleft.
 
-+ Specific implementation: GPL
++ Specific implementation: GPL.
 
 <hr/>