Tweaked readme markdown

README.md

@@ -103,26 +103,26 @@ The HOST and PORT arguments are optional, and they default to
 
 Command can be either `send` or `query`.
 
-Send Command Options:
-  -s [ --state ] arg         Set the state of the event.
-  -S [ --service ] arg       Set the service sending the event.
-  -h [ --host ] arg          Set the origin host of the event.
-  -D [ --description ] arg   Set the description of the event.
-  -a [ --attribute ] arg     Add a new attribute to the event.
-  -t [ --tag ] arg           Add a tag to the event.
-  -i [ --metric-sint64 ] arg Set the 64-bit integer metric of the event.
-  -d [ --metric-d ] arg      Set the double metric of the event.
-  -f [ --metric-f ] arg      Set the float metric of the event.
-  -L [ --ttl ] arg           Set the TTL of the event.
-  -T [ --tcp ] arg (=1)      Send the message over TCP (default).
-  -U [ --udp ] arg           Send the message over UDP.
-
-Query Command Options:
-  -q [ --query ] arg    Query to send to Riemann.
-
-Miscellaneous Options:
-  -V [ --version ]      Display version.
-  -? [ --help ]         Show this help page.
+### Send Command Options
+-s [ --state ] arg         Set the state of the event.
+-S [ --service ] arg       Set the service sending the event.
+-h [ --host ] arg          Set the origin host of the event.
+-D [ --description ] arg   Set the description of the event.
+-a [ --attribute ] arg     Add a new attribute to the event.
+-t [ --tag ] arg           Add a tag to the event.
+-i [ --metric-sint64 ] arg Set the 64-bit integer metric of the event.
+-d [ --metric-d ] arg      Set the double metric of the event.
+-f [ --metric-f ] arg      Set the float metric of the event.
+-L [ --ttl ] arg           Set the TTL of the event.
+-T [ --tcp ] arg (=1)      Send the message over TCP (default).
+-U [ --udp ] arg           Send the message over UDP.
+
+### Query Command Options
+-q [ --query ] arg    Query to send to Riemann.
+
+### Miscellaneous Options
+-V [ --version ]      Display version.
+-? [ --help ]         Show this help page.
 
 ## Contributing