Update README.md

README.md

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 Sometimes, certain messages are more important than others. The drr package provides a generic implementation of [Deficit Round Robin scheduler](https://en.wikipedia.org/wiki/Deficit_round_robin) for Go channels. Through this package, developer can merge multiple input channels into a single output one by enforcing different input rates. 
 
 ## Quick overview on DRR theory
-Let's assume you have one single worker goroutine that must handle all the incoming requests. Let's also assume that there are two sources of those requests implemented through a couple of channels. Channel _In_1_ carries the requests with higher priority _P1_. While channel _In_2_ carries the requests with lower priority _P2_.
+Let's assume you have one single worker goroutine that must handle all the incoming requests. Let's also assume that there are two sources of those requests implemented through a couple of channels. Channel _In_1_ carries the requests with higher priority _P1_, while channel _In_2_ carries the requests with lower priority _P2_.
 
 <p align="center">
   <img src="doc/img/drrschema.png">
 </p>
 
-What we observe from channel _Out_ is that input flows _In_1_ and _In_2_ share the output's capacity according to their priorities. That is, flow _In_1_ takes <img src="https://latex.codecogs.com/svg.latex?\inline&space;\fn_phv&space;\LARGE&space;\frac{P1}{P1&plus;P2}" title="Fraction of In1" /> fraction of output capacity. While flow _In_2_ uses the remaining fraction, <img src="https://latex.codecogs.com/svg.latex?\inline&space;\fn_phv&space;\LARGE&space;\frac{P2}{P1&plus;P2}" title="Fraction of In1" />.
+What we observe from channel _Out_ is that input flows _In_1_ and _In_2_ share the output's capacity according to their priorities. That is, flow _In_1_ takes <img src="https://latex.codecogs.com/svg.latex?\inline&space;\fn_phv&space;\LARGE&space;\frac{P1}{P1&plus;P2}" title="Fraction of In1" /> fraction of output capacity. While flow _In_2_ uses the remaining fraction, <img src="https://latex.codecogs.com/svg.latex?\inline&space;\fn_phv&space;\LARGE&space;\frac{P2}{P1&plus;P2}" title="Fraction of In2" />.
 
 <p align="center">
   <img src="doc/img/barchart.png">
 </p>
 
-DRR scheduling algorithm does not take into account empty flows (i.e. those that do not have nothing to transmit). Therefore, the output capacity is shared among all the non-empty input flows.
+DRR scheduling algorithm does not take into account empty flows (i.e. those that do not have anything to transmit). Therefore, the output capacity is shared among all the non-empty input flows.
 
 ## API Documentation
 Documentation can be found [here](https://godoc.org/github.com/bigmikes/drr).