Bug #1223937: CalledProcessError.errno -> CalledProcessError.returncode.
diff --git a/Doc/lib/libsubprocess.tex b/Doc/lib/libsubprocess.tex
index bde92eb..9ea44dc 100644
--- a/Doc/lib/libsubprocess.tex
+++ b/Doc/lib/libsubprocess.tex
@@ -140,7 +140,7 @@
Run command with arguments. Wait for command to complete. If the exit
code was zero then return, otherwise raise \exception{CalledProcessError.}
The \exception{CalledProcessError} object will have the return code in the
-\member{errno} attribute.
+\member{returncode} attribute.
The arguments are the same as for the Popen constructor. Example:
@@ -164,9 +164,8 @@
A \exception{ValueError} will be raised if \class{Popen} is called
with invalid arguments.
-check_call() will raise \exception{CalledProcessError}, which is a
-subclass of \exception{OSError}, if the called process returns a
-non-zero return code.
+check_call() will raise \exception{CalledProcessError}, if the called
+process returns a non-zero return code.
\subsubsection{Security}