message: Fixing C++ installation instructions.
  GitOrigin-RevId:
diff: @@ -59,15 +59,17 @@ To install Tink from the source code, the following prerequisites must be instal
  ```sh
  bazel build cc:libtink.so
  - bazel build tink_headers tink_deps_headers
  + bazel build cc:tink_headers cc:tink_deps_headers
  TARGET_DIR="/usr/local"
  - cp bazel-bin/cc/libtink.so $TARGET_DIR/lib/
  - tar xfv bazel-genfiles/cc/tink_headers.tar -C $TARGET_DIR/include/
  - tar xfv bazel-genfiles/cc/tink_deps_headers.tar -C $TARGET_DIR/include/
  + mkdir -p $TARGET_DIR/lib
  + mkdir -p $TARGET_DIR/include
  + sudo cp bazel-bin/cc/libtink.so $TARGET_DIR/lib/
  + sudo tar xfv bazel-genfiles/cc/tink_headers.tar -C $TARGET_DIR/include/
  + sudo tar xfv bazel-genfiles/cc/tink_deps_headers.tar -C $TARGET_DIR/include/
  ```
  -3. If in Step 2 you specified a system directory (for example, `/usr/local`) as the `TARGET_DIR`,
  - then run ldconfig to configure the linker. For example:
  +3. If in Step 2 you specified a system directory (for example, `/usr/local`)
  + as the `TARGET_DIR`, then run ldconfig to configure the linker. For example:
  ```sh
  sudo ldconfig
  @@ -78,8 +80,8 @@ To install Tink from the source code, the following prerequisites must be instal
  `~/mydir/lib`) to two environment variables:
  ```sh
  - export LIBRARY_PATH=$LIBRARY_PATH:~/mydir/lib
  - export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:~/mydir/lib
  + export LIBRARY_PATH=$LIBRARY_PATH:$TARGET_DIR/lib
  + export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$TARGET_DIR/lib
  ```
  #### Validate your installation
  @@ -92,7 +94,7 @@ To validate the installation compile and run [`hello_world.cc`](https://github.c
  cd /tmp
  wget https://raw.githubusercontent.com/google/tink/master/examples/helloworld/cc/hello_world.cc
  wget https://raw.githubusercontent.com/google/tink/master/examples/helloworld/cc/aes128_gcm_test_keyset_json.txt
  - cat "some message to be encrypted" > plaintext.txt
  + echo "some message to be encrypted" > plaintext.txt
  ```
  2. Compile the source code.
  