"norm" and "help norm" inconsistent

[Michael Creel]

help norm says to use 'Inf', but octave really wants you to use 'inf'

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octave:1> norm(ones(2,1),'Inf')
error: norm: unrecognized norm
error: evaluating if command near line 77, column 9
error: evaluating if command near line 76, column 7
error: evaluating if command near line 75, column 5
error: evaluating if command near line 73, column 3
error: called from `norm' in file 
`/usr/share/octave/2.1.57/m/linear-algebra/norm.m'
octave:1> norm(ones(2,1),'inf')
ans = 1
octave:2>