Update mappings.asciidoc
typo
@@ -26,6 +26,6 @@ now disallowed for these indices' mappings.
==== Unrecognized `match_mapping_type` options not silently ignored
-Previously Elastiscearch would silently ignore any dynamic templates that
+Previously Elasticsearch would silently ignore any dynamic templates that
included a `match_mapping_type` type that was unrecognized. An exception is now
thrown on an unrecognized type.
