diff --git a/ChangeLog b/ChangeLog
index 69cbbec..06142dd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -9,7 +9,7 @@ ChangeLog
 ========
  * fixes #303: tablesort.js not found in Diagnosis and Coverager
  * fixes #297: segv on startup under sparc, ini setting overflow
- * fixes #296: Multiple instances of the same software causes PHP "cannot redeclare class" errors when readonly_protection is not in use
+ * fixes #296: (PHP5.4+ only bug), racecondition Multiple instances of the same software causes PHP "cannot redeclare class" errors when readonly_protection is not in use
  * fixes #301: refix locking impl
  * fixes #307: compatible with Zend Debugger which requires to be installed after Zend Extension Manager
 
diff --git a/NEWS b/NEWS
index 873e86b..65eba4f 100644
--- a/NEWS
+++ b/NEWS
@@ -6,7 +6,7 @@
 3.0.2 2013-??-??
 ========
  * bug fixes
- * "cannot redeclare class" errors is now gone. Can also be avoid by using readonly_protection (unavailable with /dev/zero).
+ * (PHP5.4+ only bug) random "cannot redeclare class" errors is now gone. Can also be avoid by using readonly_protection (unavailable with /dev/zero).
  * fixes SEGV with Zend Debugger
 
 3.0.1 2013-01-11