Replace find with select function as the example of jq-coded functions (#1962)

docs/content/manual/v1.5/manual.yml

@@ -2149,7 +2149,7 @@ sections:
 
       It is also possible to define functions in jq, although this is
       is a feature whose biggest use is defining jq's standard library
-      (many jq functions such as `map` and `find` are in fact written
+      (many jq functions such as `map` and `select` are in fact written
       in jq).
 
       jq has reduction operators, which are very powerful but a bit