[Documentation] Proposal to change variable names

Differential Revision: https://reviews.llvm.org/D59251

llvm-svn: 357174
diff --git a/llvm/docs/index.rst b/llvm/docs/index.rst
index 44f14a3..d546d6c 100644
--- a/llvm/docs/index.rst
+++ b/llvm/docs/index.rst
@@ -572,6 +572,7 @@
    CodeOfConduct
    Proposals/GitHubMove
    Proposals/TestSuite
+   Proposals/VariableNames
    Proposals/VectorizationPlan
 
 :doc:`CodeOfConduct`
@@ -584,6 +585,9 @@
 :doc:`Proposals/TestSuite`
    Proposals for additional benchmarks/programs for llvm's test-suite.
 
+:doc:`Proposals/VariableNames`
+   Proposal to change the variable names coding standard.
+
 :doc:`Proposals/VectorizationPlan`
    Proposal to model the process and upgrade the infrastructure of LLVM's Loop Vectorizer.