Updated README.md

README.md

@@ -6,7 +6,7 @@ For installation, se the end of this README,
 
 ### JuliaTikz
 
-`    JuliaTikz(tikzfile,delete=true)`
+`    JuliaTikz(tikzfile,write_file=false)`
 
 Extract and run the Julia part of a combined tikz/Julia file.
 
@@ -14,12 +14,9 @@ The boundary between the two is the string
  
 `    \endinput Julia <name>`
 
-where `<name>` is the name that will be given to the Julia file 
-(with .jl appended), and also to a variable `name` in the program,
-i.e. `name = "<name>"`.
-
-The Julia file will be extracted to a temporary directory, which will be 
-deleted  after the run unless the optional argument `delete` is false.
+where `<name>` is the name that will be given to a variable `name`
+in the program, and also to the Julia file (with .jl appended),
+ if the optional argument `write_file` is true.
 
 ### printcsv