Update counter API documentation

diff --git a/doc/counter-api.txt b/doc/counter-api.txt
index 98d7a17..28ec662 100644 (file)
--- a/doc/counter-api.txt
+++ b/doc/counter-api.txt
@@ -13,7 +13,7 @@ Methods               void Release()
                        counter, because when this method gets called it has
                        already been unregistered.
 
-               Usage(object service, dict)
+               void Usage(object service, dict)
 
                        This signal indicates a change in the counter values
                        for the service object. The counter is reset by calling
@@ -58,4 +58,5 @@ Methods               void Release()
                                        while sending.
 
                                Time
+
                                        Total number of seconds online.