Fix doc about querying remote service (#114)

diff --git a/source/documentation/query/sparql-remote.md b/source/documentation/query/sparql-remote.md
index 27da702..3ed5847 100644
--- a/source/documentation/query/sparql-remote.md
+++ b/source/documentation/query/sparql-remote.md
@@ -27,10 +27,13 @@
 
 ## From the command line
 
-The [`arq.sparql` command](cmds.html#arq.sparql) can issue remote
+The [`arq.rsparql` command](cmds.html#arq.rsparql) can issue remote
 query requests using the `--service` argument:
 
-    java -cp ... arq.query --service 'http://host/service' 'SELECT ?s WHERE {?s [] []}'
+    java -cp ... arq.rsparql --service 'http://host/service' --query 'SELECT ?s WHERE {?s [] []}'
+    
+Or:
+    rsparql --service 'http://host/service' --query 'SELECT ?s WHERE {?s [] []}'
 
 This takes a URL that is the service location.