Changed comment to comply with Go Doc guidelines

Change-Id: Ieb42988fe48cbc9e9e336edef4ebff3f2c2801ea

properties.go

diff --git a/properties.go b/properties.go
index 80149ae..694c84a 100644
--- a/properties.go
+++ b/properties.go
@@ -596,7 +596,7 @@
 
 // ----------------------------------------------------------------------------
 
-// removes the key (and its comments) from the properties
+// Delete removes the key and its comments
 // abides by the rules of the builtin delete()
 func (p *Properties) Delete(key string) () {
 	delete(p.m, key)