diff --git a/5mx/UK_260/readme.txt b/5mx/UK_260/readme.txt
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+Version 1.05(260) - English (UK) - ASCII
+
+Taken from a retail Psion 5MX reporting 16MB RAM & ROM.
+
+PsiROMx default options used.
+Start Addr: 50000000
+Size (KB):  16384	
+End Addr:   51000000
\ No newline at end of file
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