fix copyright notice in docs

Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/21372

Differential Revision: D15631889

Pulled By: umanwizard

fbshipit-source-id: cf764432c27cb1b01d8137ed60ec7de361450d0e
diff --git a/docs/cpp/source/conf.py b/docs/cpp/source/conf.py
index 35051ed..d78da06 100644
--- a/docs/cpp/source/conf.py
+++ b/docs/cpp/source/conf.py
@@ -120,7 +120,7 @@
 
 # General information about the project.
 project = 'PyTorch'
-copyright = '2018, Torch Contributors'
+copyright = '2019, Torch Contributors'
 author = 'Torch Contributors'
 
 # The version info for the project you're documenting, acts as replacement for
diff --git a/docs/source/conf.py b/docs/source/conf.py
index a479fc0..0ab8698 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -85,7 +85,7 @@
 
 # General information about the project.
 project = 'PyTorch'
-copyright = '2018, Torch Contributors'
+copyright = '2019, Torch Contributors'
 author = 'Torch Contributors'
 
 # The version info for the project you're documenting, acts as replacement for