diff --git a/src/calibre/ebooks/mobi/writer.py b/src/calibre/ebooks/mobi/writer.py
index cdfe58df35..28a9bf70ee 100644
--- a/src/calibre/ebooks/mobi/writer.py
+++ b/src/calibre/ebooks/mobi/writer.py
@@ -2028,7 +2028,7 @@ class MobiWriter(object):
         indices.write(pack('>H', pos))								# Save the offset for IDXTIndices
         name = "%04X"%count
         indxt.write(chr(len(name)) + name)							# Write the name
-        indxt.write(INDXT['periodical'])						    # entryType [0x0F | 0xDF | 0xFF | 0x3F]
+        indxt.write(INDXT['periodical'])                            # entryType [0x0F | 0xDF | 0xFF | 0x3F]
         indxt.write(chr(1))                                         # subType 1
         indxt.write(decint(offset, DECINT_FORWARD))					# offset
         indxt.write(decint(length, DECINT_FORWARD))					# length
diff --git a/src/calibre/manual/faq.rst b/src/calibre/manual/faq.rst
index 30457b5deb..151ad1f73b 100644
--- a/src/calibre/manual/faq.rst
+++ b/src/calibre/manual/faq.rst
@@ -20,8 +20,8 @@ What formats does |app| support conversion to/from?
 |app| supports the conversion of many input formats to many output formats.
 It can convert every input format in the following list, to every output format.
 
-*Input Formats:* CBZ, CBR, CBC, EPUB, FB2, HTML, LIT, MOBI, ODT, PDF, PRC**, RTF, TXT
-*Output Formats:* EPUB, FB2, OEB, LIT, LRF, MOBI, PDB, PDF, TXT
+*Input Formats:* CBZ, CBR, CBC, EPUB, FB2, HTML, LIT, MOBI, ODT, PDF, PRC**, PDB, PML, RB, RTF, TXT
+*Output Formats:* EPUB, FB2, OEB, LIT, LRF, MOBI, PDB, PML, RB, PDF, TXT
 
 ** PRC is a generic format, |app| supports PRC files with TextRead and MOBIBook headers