diff --git a/Json-service.md b/Json-service.md
index 8796aa8..e934439 100644
--- a/Json-service.md
+++ b/Json-service.md
@@ -25,7 +25,7 @@ You should receive the same response that the `nc` command provides.
 
 ### Converting options to camelCase
 
-Several options in the command line interface contain embedded hyphens. You may send them as-is, or convert them to camelCase (in which the initial letter is lowercase, the hyphens are removed, and each letter after a former hyphen is capitalized). Internally, they are all converted to camelCase.
+Several options in the command line interface contain embedded hyphens. You may send them as-is (all lowercase, with hyphens), or convert them to camelCase (in which each letter after a hyphen is capitalized and then all the hyphens are removed). Internally, they are all converted to camelCase.
 
 ### Some example requests
 
@@ -35,7 +35,7 @@ REPLY: `{"jsonrpc":"2.0","result":[...],"id":"5"}`
 ENTRY: `{"jsonrpc":"2.0","method":"send","params":{"recipient":["+YYY"],"message":"MESSAGE"},"id":4}`  
 REPLY: `{"jsonrpc":"2.0","result":{"timestamp":999},"id":4}`  
 
-ENTRY: `{"jsonrpc":"2.0","method":"updateGroup","params":{"groupId":"GROUP_ID=","name":"new group name","members":["+ZZZ"],"link":"enabledWithApproval","setPermissionEditDetails":"onlyAdmins"},"id":"someId"}`  
+ENTRY: `{"jsonrpc":"2.0","method":"updateGroup","params":{"groupId":"GROUP_ID=","name":"new group name","members":["+ZZZ"],"link":"enabledWithApproval","setPermissionEditDetails":"only-admins"},"id":"someId"}`  
 REPLY: `{"jsonrpc":"2.0","result":{"timestamp":9999},"id":"someId"}`  
 
 ENTRY: `{"jsonrpc":"2.0","method":"sendSyncRequest","id":9}`