simple bar graph not working correctly

Trying to create a simple bar graph which i have done a thousand times.For
some reason excel is seeing the first two cells in my row as the series.

eg a2 contains the word express orders. B2 contains 137

When i attempt to graph it, the series in the chart wizard is Express orders
137. instead of just express orders. For some reason it is taking that first
value with it.

Any ideas whats causing this?