Merge pull request riolet#15 from riolet/develop

Correcting README typo

README.md

@@ -93,7 +93,7 @@ We are in the process of adding utility functions to pol. Contributions are most
 Returns the value *x* as a barchart. If *p* is true, x is intepreted as a percentage, with 100% being *w* wide.
 
 ```
-$ $ df -B1 | pol -s "'{:20.20}\t{:10.10}\t{:10.10}\t{:10.10}\t{:5.5}\t{}\t{:10.10}'.format(i[0],bytesize(i[1]),bytesize(i[2]),bytesize(i[3]),i[4], barchart(int(i[2])/float(i[1]),p=True) if i[1].isdigit() else ' '*10,i[5]) for i in _"
+$ df -B1 | pol -s "'{:20.20}\t{:10.10}\t{:10.10}\t{:10.10}\t{:5.5}\t{}\t{:10.10}'.format(i[0],bytesize(i[1]),bytesize(i[2]),bytesize(i[3]),i[4], barchart(int(i[2])/float(i[1]),p=True) if i[1].isdigit() else ' '*10,i[5]) for i in _"
 Filesystem          	1B-blocks 	Used      	Available 	Use% 	          	Mounted
 /dev/mapper/docker-8	  9.99 G  	  8.06 G  	  1.93 G  	81%  	▓▓▓▓▓▓▓▓░░	/
 tmpfs               	 31.37 G  	  0.00 B  	 31.37 G  	0%   	░░░░░░░░░░	/dev