diff --git a/guide/english/user-experience-research/heuristic-review/index.md b/guide/english/user-experience-research/heuristic-review/index.md
index ae28b888ac..1e40a63731 100644
--- a/guide/english/user-experience-research/heuristic-review/index.md
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 ## Heuristic Review
 
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+A Heuristic Review is the process of evaluating the usability of the interface a site or piece of software by determining the extent to which it adheres to recognised 'best practices'. 
 
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+This could, for example, involve examining the discoverability of elements of a website, so as to determine whether a user will be able to navigate it intuitively.  It may also determine the extent to which a user is made aware of the current state of the site. 
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+While there are, of course, various criteria by which usability might be measured, the ten heuristics outlined in Jakob Nielsen are frequently used as a point of reference in this regard.
 
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