[libc++] Fix typo in documentation for LIBCXX_HERMETIC_STATIC_LIBRARY
Thanks to Yichen Yan for the patch.
Differential Revision: https://reviews.llvm.org/D66675
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@369800 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/BuildingLibcxx.rst b/docs/BuildingLibcxx.rst
index 2ec546d..76aa18a 100644
--- a/docs/BuildingLibcxx.rst
+++ b/docs/BuildingLibcxx.rst
@@ -204,7 +204,7 @@
Do not export any symbols from the static libc++ library.
This is useful when the static libc++ library is being linked into shared
libraries that may be used in with other shared libraries that use different
- C++ library. We want to avoid avoid exporting any libc++ symbols in that case.
+ C++ library. We want to avoid exporting any libc++ symbols in that case.
.. option:: LIBCXX_ENABLE_FILESYSTEM:BOOL
