Update README.md

Minor formatting change.

README.md

@@ -92,9 +92,9 @@ Out[7]:
 	retention_time	   scale	    skew	   amplitude	        area	signal_maximum	peak_id
 0			 10.90	0.158768	0.691961	23380.386403	2.805646e+06	66064.361454	1
 0			 13.17	0.592828	3.889788	43048.461053	5.165815e+06	50331.167860	2
-0			 14.45	0.350139   -2.997977	34791.996875	4.175040e+06	65352.588796	3
+0			 14.45	0.350139       -2.997977	34791.996875	4.175040e+06	65352.588796	3
 0			 15.53	0.308900	1.567356	14938.309504	1.792597e+06	26723.707626	4
-0			 16.55	0.272283	1.261303	9512.727882	    1.141527e+06	18121.299375	5
+0			 16.55	0.272283	1.261303	9512.727882	1.141527e+06	18121.299375	5
 ```
 
 The resulting chromatogram reconstruction can be seen by again calling the `show()` 
@@ -156,4 +156,4 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
-```
+```