Update normalizers.asciidoc
analyzers -> normalizers
@@ -11,7 +11,7 @@ allowed, but not a stemming filter, which needs to look at the keyword as a
whole.
[float]
-=== Custom analyzers
+=== Custom normalizers
Elasticsearch does not ship with built-in normalizers so far, so the only way
to get one is by building a custom one. Custom normalizers take a list of char
