Update readme

1 files changed, 8 insertions, 7 deletions

diff --git a/def.lisp b/def.lisp
index 055a30b..6a2505c 100644
--- a/def.lisp
+++ b/def.lisp
@@ -54,12 +54,13 @@ above might have been written:
 Which would have expanded the same way, but with documentation on each
 slot definition.
 
-There are a few flag style slot definition arguments. Flags do not
-have an value after them, all flags must come before other options. Flags are:
-  :prefix - prefix the accessor by the class name
-  :ro     - only define a reader 
-  :wo     - only define a writer 
-  :noarg  - means no initarg
+There are a few flag style slot options. Flags do not have an value
+after them, ALL FLAGS MUST COME BEFORE OTHER OPTIONS. Flags are:
+  :prefix   - prefix the accessor by the class name
+  :ro       - only define a reader 
+  :wo       - only define a writer 
+  :noarg    - means no initarg
+  :required - the slot MUST have an initial value
 
 By default an accessor is defined.
 
@@ -140,7 +141,7 @@ E.g.
 
 (defmacro typed (name (&rest lambda-list) -> return-type &body body)
   "A typed function is one for which every parameter is typed, a return type is
-declared. DEF:FAST generates an optimized DEFUN.
+declared. DEF:TYPED generates an optimized DEFUN.
 
 Each positional parameter must be a list (VAR TYPE) &KEY &REST and
 &OPTIONAL arguments all look like (VAR TYPE . MORE) where MORE is