-All output written has been checked for authenticity. However, since
-the input is chunked, a chunk will be checked and written before the
-authenticity of following chunks is established. Don't rely on the
-output being complete until
+All output written has been checked for authenticity. However, output
+can fail madway through for many reasons, and the resulting message may
+therefore be truncated. Don't rely on the output being complete until
+.B OK is printed or