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-rw-r--r--doc/AdvancedSearch.md4
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/AdvancedSearch.md b/doc/AdvancedSearch.md
index 8bcd5de69..5a9a5a3bc 100644
--- a/doc/AdvancedSearch.md
+++ b/doc/AdvancedSearch.md
@@ -38,7 +38,9 @@ Advanced requests include
* keywords=xxx
[Keywords contain xxx]
-There are many reasons why a match may not return what you're looking for, as many channels do not provide detailed information in their default (public) profile, and many of these fields allow free-text input in any language which is difficult to match precisely.
+There are many reasons why a match may not return what you're looking for, as many channels do not provide detailed information in their default (public) profile, and many of these fields allow free-text input in several languages - and this may be difficult to match precisely. For instance you may have better results finding somebody in the USA with 'country=u' (along with some odd channels from Deutschland and Bulgaria and Australia) because this could be represented in a profile as US, U.S.A, USA, United States, etc...
+
+Future revisions of this tool may try to smooth over some of these difficulties.
Requests may be joined together with 'and', 'or', and 'and not'.