Clarified sort as optional, object

docs/content/SearchQuery.md

@@ -30,14 +30,14 @@ There are several main parts to a search query:
 
 |property|description|required?|
 |--------|-----------|---------|
-|queryType|This String should always be "search"; this is the first thing Druid looks at to figure out how to interpret the query|yes|
-|dataSource|A String defining the data source to query, very similar to a table in a relational database|yes|
-|granularity|Defines the granularity of the query. See [Granularities](Granularities.html)|yes|
-|filter|See [Filters](Filters.html)|no|
+|queryType|This String should always be "search"; this is the first thing Druid looks at to figure out how to interpret the query.|yes|
+|dataSource|A String defining the data source to query, very similar to a table in a relational database.|yes|
+|granularity|Defines the granularity of the query. See [Granularities](Granularities.html).|yes|
+|filter|See [Filters](Filters.html).|no|
 |intervals|A JSON Object representing ISO-8601 Intervals. This defines the time ranges to run the query over.|yes|
 |searchDimensions|The dimensions to run the search over. Excluding this means the search is run over all dimensions.|no|
 |query|See [SearchQuerySpec](SearchQuerySpec.html).|yes|
-|sort|How the results of the search should be sorted. Two possible types here are "lexicographic" and "strlen".|yes|
+|sort|An object specifying how the results of the search should be sorted. Two possible types here are "lexicographic" (the default sort) and "strlen".|no|
 |context|An additional JSON Object which can be used to specify certain flags.|no|
 
 The format of the result is: