--- a/model/glossary.html	Tue Apr 24 06:29:40 2012 +0200
+++ b/model/glossary.html	Tue Apr 24 06:33:47 2012 +0200
@@ -202,4 +202,4 @@
 <span class="glossary" id="glossary-invalidation">  
 <dfn id="concept-invalidation">Invalidation</dfn>
 is the start of the destruction, cessation, or expiry of an existing entity by an activity.
-The entity is no longer available for use after invalidation. Any generation or usage of an entity precedes its invalidation</span>
+The entity is no longer available for use after invalidation. Any generation or usage of an entity precedes its invalidation.</span>

--- a/model/glossary.js	Tue Apr 24 06:29:40 2012 +0200
+++ b/model/glossary.js	Tue Apr 24 06:33:47 2012 +0200
@@ -206,5 +206,5 @@
 '<span class="glossary" id="glossary-invalidation">   ' + 
 '<dfn id="concept-invalidation">Invalidation</dfn> ' + 
 'is the start of the destruction, cessation, or expiry of an existing entity by an activity. ' + 
-'The entity is no longer available for use after invalidation. Any generation or usage of an entity precedes its invalidation</span> ' + 
+'The entity is no longer available for use after invalidation. Any generation or usage of an entity precedes its invalidation.</span> ' + 
 ' ' ;