deletions | additions       diff --git a/serendipity-in-computational-context.tex b/serendipity-in-computational-context.tex  index 3f3346a..96a1510 100644  --- a/serendipity-in-computational-context.tex  +++ b/serendipity-in-computational-context.tex 
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promise. In order to do this, it must have a way to carry out an  evaluation and judge whether $|R|>0$. In the most straightforward  case, it would simply make changes to the draft poem that seem to  improve it in some way. For example, the poet  might remove or alter  material that elicited a negative response from a critic. It The system  may proceed to  update its modules related to poetry generation. Notably, it may also update its own feedback modules, after reflecting on questions like: ``How was might  the critic able to detect have detected  that feature in my poem?''