diff --git a/language/oop5/constants.xml b/language/oop5/constants.xml
index 562aa66979..6e761953bc 100644
--- a/language/oop5/constants.xml
+++ b/language/oop5/constants.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
  <sect1 id="language.oop5.constants">
   <title>Object Constants</title>
   <para>
    It is possible to define constant values on a per-class basis remaining 
-   the same and unchangeable. Constant's differ from normal variables
-   in that you dont use the <varname>$</varname> symbol to declare or use 
+   the same and unchangeable. Constants differ from normal variables
+   in that you don't use the <varname>$</varname> symbol to declare or use 
    them.  Like <xref linkend="language.oop5.static"/> members, constant
    values can not be accessed with a variable that is an instance of the 
    object.