minor doc updates

getting ready for the next release tag ATM.

docs/lisp/conditionals.md

@@ -94,16 +94,14 @@ So let's see a few examples:
 		(print "b is 0"))
 	((= b 1)
 		(print "b is 1"))
-	(:t (print "no test is none :nil!")))
+	((print "no test is none :nil!")))
 ```
 
 Here the tests using symbol `a` have precedence over those with symbol `b` and
 the final clause will happen if no other clause.
 
 ```vdu
-(cond
-	(a :nil)
-	(:t))
+(cond (a :nil) (:t))
 ```
 
 Here if `a` is true then return `:nil` else return `:t`. So a simple logical not.
@@ -123,8 +121,8 @@ of the symbols used at the entry to the `(cond ...)` !
 	((= id +event_max)
 		;maximize app
 		)
-	(:t ;ui event for window....
-		(. *window* :event msg)))
+	;ui event for window....
+	((. *window* :event msg)))
 ```
 
 ### case

docs/lisp/numerics.md

@@ -4,7 +4,7 @@ ChrysaLisp supports a variety of number formats. Integers, fixed point and
 reals. Functions are provided to convert between these formats.
 
 Vectors are arrays of these primitives. There are functions that operate on
-every member of the array with a single call.
+every member of the vector with a single call.
 
 ## Numbers
 
@@ -133,7 +133,8 @@ Standard constructor macros are provided for common types. `(Vec3-f ...)`,
 
 All base vector operations take an optional output vector. This avoids a memory
 allocation and can provide faster operation. But be aware that the given
-optional output vector will be the returned value from the call !
+optional output vector will be the returned value from the call, be aware you
+may mutate an input vector !
 
 Temp vector constants are defined in the `lib/math/vector.inc` file, such as
 `+fixeds_tmp3`, `+fixeds_tmp4`, `+reals_tmp3`, `+reals_tmp4`, `+fixeds_zero3`,