fix typo
diff --git a/cmake/External/Protobuf.cmake b/cmake/External/Protobuf.cmake
index 675498e..f9f41c2 100644
--- a/cmake/External/Protobuf.cmake
+++ b/cmake/External/Protobuf.cmake
@@ -12,7 +12,7 @@
     # build directory
     set(protobuf_prefix ${CMAKE_SOURCE_DIR}/third_party/protobuf)
 
-    # we build glog statically, but want to link it into the caffe shared library
+    # we build protobuf statically, but want to link it into the caffe shared library
     # this requires position-independent code
     if (UNIX)
       set(PROTOBUF_EXTRA_COMPILER_FLAGS "-fPIC")
diff --git a/cmake/External/nccl.cmake b/cmake/External/nccl.cmake
index 585b453..6cb01fa 100644
--- a/cmake/External/nccl.cmake
+++ b/cmake/External/nccl.cmake
@@ -9,7 +9,7 @@
     # build directory
     set(nccl_PREFIX ${CMAKE_SOURCE_DIR}/third_party/nccl)
 
-    # we build glog statically, but want to link it into the caffe shared library
+    # we build nccl statically, but want to link it into the caffe shared library
     # this requires position-independent code
     if (UNIX)
       set(NCCL_EXTRA_COMPILER_FLAGS "-fPIC")