diff --git a/Readme.md b/Readme.md
index 3bd9a2a..8ed006a 100644
--- a/Readme.md
+++ b/Readme.md
@@ -4,6 +4,7 @@
 
 ### TODO
 - support for (), nil, t, in lsp code replace 0 by nil in logicals
+- casting to string (like ti int and to float)
 - some performance functionality (at least counting how many times symbol was evaluated)
 - documentation
 - add url of source/inspiration to clib/*.cpp
diff --git a/debug.lsp b/debug.lsp
index 5b7945f..20ae9cf 100644
--- a/debug.lsp
+++ b/debug.lsp
@@ -21,9 +21,3 @@
           (term-blue (sprintf "%.2f" (list 1.11))) " "
           (term-yellow (sprintf "%.2f" (list 1.11))) " "
     ))
-
-    ;; (define q_change_str (sprintf "%+.2f %%" (list q)))
-    ;; (if (>= q_change 0.0) 
-    ;;     (define q_change_str (term-green q_change_str))
-    ;;     (define q_change_str (term-red q_change_str)))
-
diff --git a/doc/Doc.md b/doc/Doc.md
index 84edeb8..a64a7ea 100644
--- a/doc/Doc.md
+++ b/doc/Doc.md
@@ -43,27 +43,27 @@
 |`(member list item)`|Returns true (1) when list contains item||
 |`(uniq list)`|Returns list with removed duplicates ||
 |`(make-list len)`|Return list with len nil elements|`(make-list 3) => (nil nil nil)`|
-|`(make-list-of len value)`|||
+|`(make-list-of len value)`|Return list with len value elements||
 |`(map ..)`||`(map (lambda (x) (+ x 10)) '(1 2 3 4 5 6)) => (11 12 13 14 15 16)`|
 |`(filter lambda list)`||`(filter (lambda (x) (> x 2)) '(1 2 3 4 5)) => (3 4 5)`|
 |`(reduce lambda acumulator list)`||`>>> (reduce (lambda (x y) (+ (* x 10) y)) 0 '(1 2 3 4)) => 1234`|
-|`(exit ..)`|||
-|`(quit ..)`|||
-|`(print ..)`|||
-|`(input ..)`|||
-|`(random ..)`|||
-|`(include ..)`|||
-|`(read-file ..)`|||
-|`(write-file ..)`|||
-|`(read-url ..)`|||
-|`(system-cmd ..)`|||
-|`(ls-dir ..)`|||
+|`(exit code)`|Exit the program with an integer code||
+|`(quit code)`|Same as (exit ..)||
+|`(print ..)`|Print several values and return the last one||
+|`(input [prompt])`|Get user input with an optional prompt||
+|`(random low high)`|Get a random number between two numbers inclusively||
+|`(include file)`|Read a file and execute its code||
+|`(read-file filename)`|Get the contents of a file||
+|`(write-file filename)`|Write a string to a file||
+|`(read-url url [headers])`|Reads URL|Returnd list (status_code content)|
+|`(system-cmd command_str)`|Execute system command||
+|`(ls-dir ..)`|List a dir|List of directory entries|
 |`(is-file? ..)`|Returns true if passed filename is a file||
 |`(is-dir? ..)`|Returns true if passed filename is a directory||
-|`(parse-csv ..)`|||
-|`(parse-json ..)`|||
+|`(parse-csv string)`|Parse CSV string||
+|`(parse-json json_string)`|Parse JSON string||
 |`(save-csv ..)`|||
-|`(get-universal-time ..)`|||
+|`(get-universal-time)`|Get current time as secs from epoch||
 |`(date-to-str ..)`|||
 |`(str-to-date ..)`|||
 |`(date-add ..)`|||
@@ -77,4 +77,6 @@
 |`(eval ..)`|||
 |`(type ..)`|||
 |`(parse ..)`|||
+|`(make-list size)`|||
+|`(make-list-of size value)`|||
 |`(xx ..)`|||