diff --git a/Lib/subprocess.py b/Lib/subprocess.py
index 54702a0b4c0..76ea25fff45 100644
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -25,7 +25,7 @@
 # NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 # WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-"""subprocess - Subprocesses with accessible I/O streams
+r"""subprocess - Subprocesses with accessible I/O streams
 
 This module allows you to spawn processes, connect to their
 input/output/error pipes, and obtain their return codes.  This module