You can also perform search and replace operations in all the keywords in your project. This is a very useful Help+Manual function that is easy to overlook!
How to find and replace keywords
1.Select Editing > Find and Replace Text in the Write tab.
2.In Find Where select In topic keywords.
Note that Find and Replace does not work on keywords attached to anchors, but it does work on A-keywords.
See also:
Searching for text, topics and referrers
IDs, Context Numbers and Keywords (Reference)