Commit9fb6d11abb(which converted BIND 9 documentation from DocBook to Sphinx) inadvertently removed a paragraph from the description of the "max-ixfr-ratio" option. Add the missing paragraph back. (cherry picked from commit3878cf4ac5)
Commit9fb6d11abb(which converted BIND 9 documentation from DocBook to Sphinx) inadvertently removed a paragraph from the description of the "max-ixfr-ratio" option. Add the missing paragraph back. (cherry picked from commit3878cf4ac5)