* luci/libs: add missing parameter documentation for prefix() in luci.ip

diff --git a/libs/core/luasrc/ip.lua b/libs/core/luasrc/ip.lua
index 75311bf..02b4a66 100644 (file)
--- a/libs/core/luasrc/ip.lua
+++ b/libs/core/luasrc/ip.lua
@@ -414,7 +414,8 @@ function cidr.equal( self, addr )
 end
 
 --- Return the prefix length of this CIDR instance.
--- @return     Prefix length in bit
+-- @param mask Override instance prefix with given netmask (optional)
+-- @return             Prefix length in bit
 function cidr.prefix( self, mask )
        local prefix = self[3]