1.1 --- a/doc/min_cost_flow.dox	Thu Sep 13 12:23:46 2012 +0200
     1.2 +++ b/doc/min_cost_flow.dox	Wed Nov 07 17:39:39 2012 +0100
     1.3 @@ -101,7 +101,7 @@
     1.4      sup(u) \quad \forall u\in V \f]
     1.5  \f[ lower(uv) \leq f(uv) \leq upper(uv) \quad \forall uv\in A \f]
     1.6  
     1.7 -However if the sum of the supply values is zero, then these two problems
     1.8 +However, if the sum of the supply values is zero, then these two problems
     1.9  are equivalent.
    1.10  The \ref min_cost_flow_algs "algorithms" in LEMON support the general
    1.11  form, so if you need the equality form, you have to ensure this additional