diff --git a/doc/cheat.txt b/doc/cheat.txt
index 88b572b..7428da6 100644
--- a/doc/cheat.txt
+++ b/doc/cheat.txt
@@ -116,7 +116,10 @@ run/file*, that take thunk arguments for the subprocess.
 (close port/fd)
 
 (stdports->stdio)
-(stdio->stdports THUNK)
+(stdio->stdports)
+
+(with-stdio-ports* thunk) -> value(s) of thunk
+(with-stdio-ports . body) -> value(s) of body
 
 (make-string-input-port) -> port
 (string-output-port-output port) -> port
@@ -223,7 +226,7 @@ Derived procedures:
     file-last-status-change  	 ctime
 
 (file-not-readable?   fname) -> boolean
-(file-not-writeable?  fname) -> boolean
+(file-not-writable?   fname) -> boolean
 (file-not-executable? fname) -> boolean
 
     Returns one of