unused/blank function and typo in the name

Lines 40 to 47 in 98d5a94

    
           """ `read_metradata_from_fits( filename, fields )` 
        
           Read metadata in FITS header for specified keys and return data as a Dict.  `fields` can be an array of symbols or strings. 
        
           Optional inputs: 
        
           - Passing both fields (an array of symbols) and fields_str (an array of strings) as named parameters allows for differences in string used in FITS file and Symbol used in resulting Dict. 
        
           - hdu: Specifies which HDU to read from the FITS file.  (Default: 1) 
        
           """ 
        
           function read_metradata_from_fits 
        
           end

	""" `read_metradata_from_fits( filename, fields )`
	Read metadata in FITS header for specified keys and return data as a Dict. `fields` can be an array of symbols or strings.
	Optional inputs:
	- Passing both fields (an array of symbols) and fields_str (an array of strings) as named parameters allows for differences in string used in FITS file and Symbol used in resulting Dict.
	- hdu: Specifies which HDU to read from the FITS file. (Default: 1)
	"""
	function read_metradata_from_fits
	end