diff --git a/src/ArgTools.jl b/src/ArgTools.jl
index eaf03b2..2e97b20 100644
--- a/src/ArgTools.jl
+++ b/src/ArgTools.jl
@@ -79,7 +79,7 @@ arg_read(f::Function, arg::IO) = f(arg)
     arg_write(f::Function, arg::ArgWrite) -> arg
     arg_write(f::Function, arg::Nothing) -> tempname()
 
-The `arg_read` function accepts an argument `arg` that can be any of these:
+The `arg_write` function accepts an argument `arg` that can be any of these:
 
 - `AbstractString`: a file path to be opened for writing
 - `AbstractCmd`: a command to be run, writing to its standard input