diff --git a/clang/include/clang/Basic/DiagnosticDriverKinds.td b/clang/include/clang/Basic/DiagnosticDriverKinds.td
index e35ca843ff5665..cba59cb3b66d33 100644
--- a/clang/include/clang/Basic/DiagnosticDriverKinds.td
+++ b/clang/include/clang/Basic/DiagnosticDriverKinds.td
@@ -50,14 +50,14 @@ def warn_drv_avr_stdlib_not_linked: Warning<
   InGroup<AVRRtlibLinkingQuirks>;
 def err_drv_cuda_bad_gpu_arch : Error<"Unsupported CUDA gpu architecture: %0">;
 def err_drv_no_cuda_installation : Error<
-  "cannot find CUDA installation.  Provide its path via --cuda-path, or pass "
+  "cannot find CUDA installation. Provide its path via --cuda-path, or pass "
   "-nocudainc to build without CUDA includes.">;
 def err_drv_no_cuda_libdevice : Error<
   "cannot find libdevice for %0. Provide path to different CUDA installation "
   "via --cuda-path, or pass -nocudalib to build without linking with libdevice.">;
 def err_drv_cuda_version_unsupported : Error<
   "GPU arch %0 is supported by CUDA versions between %1 and %2 (inclusive), "
-  "but installation at %3 is %4.  Use --cuda-path to specify a different CUDA "
+  "but installation at %3 is %4. Use --cuda-path to specify a different CUDA "
   "install, pass a different GPU arch with --cuda-gpu-arch, or pass "
   "--no-cuda-version-check.">;
 def warn_drv_unknown_cuda_version: Warning<