Doc: fixed alignment i/o examples.

modules/io/doc/io.rst

@@ -142,7 +142,7 @@ Loading sequence or alignment files
     myseq = io.LoadSequence('seq.fasta')
     # for obtaining a SequenceList
     seqlist = io.LoadSequenceList('seqs.fasta')
-    # or for multiple aligned fasta files use
+    # or for multiple alignments (here from CLUSTAL)
     aln = io.LoadAlignment('algnm.aln', format="clustal")
     
   For a list of file formats supported by :func:`LoadSequence` see
@@ -215,8 +215,8 @@ Saving Sequence Data
     io.SaveSequence(myseq, 'seq.fasta')
     # for saving a SequenceList
     io.SaveSequenceList(seqlist, 'seqlist.fasta')
-    # or multiple aligned fasta files
-    io.SaveAlignment(aln,'algnm.aln',format="clustal")
+    # or for multiple alignments (here in FASTA format)
+    io.SaveAlignment(aln, 'aln.fasta')
     
   For a list of file formats supported by :func:`SaveSequence` see
   :doc:`sequence_formats`.