https://bugs.eclipse.org/bugs/show_bug.cgi?id=224228
diff --git a/libraries/EPF_Practices_Library/core.tech.common.base/guidances/concepts/arch_mechanism.xmi b/libraries/EPF_Practices_Library/core.tech.common.base/guidances/concepts/arch_mechanism.xmi
index 823062d..f2a4154 100644
--- a/libraries/EPF_Practices_Library/core.tech.common.base/guidances/concepts/arch_mechanism.xmi
+++ b/libraries/EPF_Practices_Library/core.tech.common.base/guidances/concepts/arch_mechanism.xmi
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <org.eclipse.epf.uma:ContentDescription xmi:version="2.0"
-    xmlns:xmi="http://www.omg.org/XMI" xmlns:org.eclipse.epf.uma="http://www.eclipse.org/epf/uma/1.0.4/uma.ecore"
-    xmlns:epf="http://www.eclipse.org/epf" epf:version="1.2.0" xmlns:rmc="http://www.ibm.com/rmc"
-    rmc:version="7.2.0" xmi:id="-SJrpVySJ2npYs8NwGvnHjw"
+    xmlns:xmi="http://www.omg.org/XMI" xmlns:org.eclipse.epf.uma="http://www.eclipse.org/epf/uma/1.0.5/uma.ecore"
+    xmlns:rmc="http://www.ibm.com/rmc" rmc:version="7.5.0" xmlns:epf="http://www.eclipse.org/epf"
+    epf:version="1.5.0" xmi:id="-SJrpVySJ2npYs8NwGvnHjw"
     name="arch_mechanism,_mzxI0A4LEduibvKwrGxWxA" guid="-SJrpVySJ2npYs8NwGvnHjw" authors="Mark Dickson"
-    changeDate="2008-02-15T09:35:53.109-0500" changeDescription="Simplified text explaining mechanism concept"
+    changeDate="2008-08-08T11:37:34.748-0700" changeDescription="Simplified text explaining mechanism concept"
     version="1.0.0">
   <mainDescription>&lt;h3>&#xD;
     What are Architectural Mechanisms?&#xD;
@@ -17,19 +17,13 @@
     to be made.&#xD;
 &lt;/p>&#xD;
 &lt;p>&#xD;
-    Architectural Mechanisms are&amp;nbsp;used to satisfy architecturally significant requirements.&amp;nbsp;When fully described,&#xD;
-    Architectural Mechanisms show patterns of structure and behavior in the software. They&amp;nbsp;form the basis&#xD;
-    of&amp;nbsp;common software&amp;nbsp;that will be&amp;nbsp;consistently applied&amp;nbsp;across the product being developed. They also&#xD;
-    form the basis for standardizing the way that the software works; therefore, they are an important element of the&#xD;
-    overall software architecture. The definition of architecture mechanisms also enable decisions on whether existing&#xD;
-    software components can be leveraged to provide the required behaviour; or whether new software should be bought or&#xD;
-    built.&#xD;
-&lt;/p>&#xD;
-&lt;p>&#xD;
-    Defining architectural mechanisms is all about making choices about *what* technology will be used to satisfy&#xD;
-    architecturally significant requirements. It is not about producing detailed design or software. This is a common&#xD;
-    misunderstanding. The creation of detailed design and&amp;nbsp;software that&amp;nbsp;shows&amp;nbsp;*how* specific&#xD;
-    mechanisms&amp;nbsp;are satisfied&amp;nbsp;is&amp;nbsp;a development task.&#xD;
+    Architectural Mechanisms are&amp;nbsp;used to satisfy architecturally significant requirements. Usually those are&#xD;
+    non-functional requirements such as performance and security issues.&amp;nbsp;When fully described, Architectural&#xD;
+    Mechanisms show patterns of structure and behavior in the software. They&amp;nbsp;form the basis of&amp;nbsp;common&#xD;
+    software&amp;nbsp;that will be&amp;nbsp;consistently applied&amp;nbsp;across the product being developed. They also form the basis&#xD;
+    for standardizing the way that the software works; therefore, they are an important element of the overall software&#xD;
+    architecture. The definition of architecture mechanisms also enable decisions on whether existing software components&#xD;
+    can be leveraged to provide the required behaviour; or whether new software should be bought or built.&#xD;
 &lt;/p>&#xD;
 &lt;p>&#xD;
     The value in defining architecture mechanisms is that they:&#xD;
diff --git a/libraries/EPF_Practices_Library/core.tech.common.base/plugin.xmi b/libraries/EPF_Practices_Library/core.tech.common.base/plugin.xmi
index a489284..fcb8d23 100644
--- a/libraries/EPF_Practices_Library/core.tech.common.base/plugin.xmi
+++ b/libraries/EPF_Practices_Library/core.tech.common.base/plugin.xmi
@@ -544,7 +544,7 @@
             </contentElements>
             <contentElements xsi:type="org.eclipse.epf.uma:Concept" xmi:id="_mzxI0A4LEduibvKwrGxWxA"
                 name="arch_mechanism" guid="_mzxI0A4LEduibvKwrGxWxA" presentationName="Architectural Mechanisms"
-                briefDescription="This concept describes what architectural mechanisms are and what they are used for."
+                briefDescription="Architectural Mechanisms are common solutions to common problems that can be used during development to minimize complexity."
                 conceptsAndPapers="_0gvqoMlgEdmt3adZL5Dmdw _HrZGIA4MEduibvKwrGxWxA _0YJvUMlgEdmt3adZL5Dmdw"
                 examples="_O39h0O9pEdu635i_iQ5Jag _eQ_s8Om5Edupia_tZIXEqg">
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