"streans" --> "streams" (AMK)

Doc/lib/librexec.tex

@@ -123,7 +123,7 @@ restricted environment's \code{__main__} module.
 
 Methods whose names begin with \code{s_} are similar to the functions
 beginning with \code{r_}, but the code will be granted access to
-restricted versions of the standard I/O streans \code{sys.stdin},
+restricted versions of the standard I/O streams \code{sys.stdin},
 \code{sys.stderr}, and \code{sys.stdout}.  
 
 \begin{funcdesc}{s_eval}{code}

Doc/librexec.tex

@@ -123,7 +123,7 @@ restricted environment's \code{__main__} module.
 
 Methods whose names begin with \code{s_} are similar to the functions
 beginning with \code{r_}, but the code will be granted access to
-restricted versions of the standard I/O streans \code{sys.stdin},
+restricted versions of the standard I/O streams \code{sys.stdin},
 \code{sys.stderr}, and \code{sys.stdout}.  
 
 \begin{funcdesc}{s_eval}{code}