cleanup logging
diff --git a/releng.wtpbuilder/scripts/build/checkForFastFail.xml b/releng.wtpbuilder/scripts/build/checkForFastFail.xml
index 3c5ac86..06942bc 100644
--- a/releng.wtpbuilder/scripts/build/checkForFastFail.xml
+++ b/releng.wtpbuilder/scripts/build/checkForFastFail.xml
@@ -70,7 +70,7 @@
             errorproperty="ignoredErrored"
             error="/dev/null"
             failonerror="false">
-            <arg line="-s --max-count 1 --after-context 10 --before-context 10 --regexp='${stringToCheck}' ${resource}"/>
+            <arg line="-s --max-count 1 --after-context 20 --before-context 10 --regexp='${stringToCheck}' ${resource}"/>
         </exec>
 
         <!-- it appears the exec, at least for grep, returns an empty string if no match 
@@ -94,7 +94,7 @@
 
         <property
             name="formatedReasonFailedText"
-            value="FAST FAIL CHECK found matching string '${stringToCheck}'${line.separator}----------------${line.separator}Context of matching text leading to fast fail: ${line.separator}----------------${line.separator}${reasonFailedText}${line.separator}----------------${line.separator}"/>
+            value="FAST FAIL CHECK found matching string '${stringToCheck}'${line.separator}----------------${line.separator}Context of matching text leading to fast fail (-10 to +20 lines, see ${resource} if reason not obvious from context): ${line.separator}----------------${line.separator}${reasonFailedText}${line.separator}----------------${line.separator}"/>
             
         <!-- be sure to echo reason msg to log -->
         <!-- TODO: we could write this to a file, and make available from download page -->