docs: Link to docs & code search in README.md

Fix a few typos.

Change-Id: Id91a6427fed7a744d6209167d87c93c2cdacad6a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/40063
Pigweed-Auto-Submit: Wyatt Hepler <hepler@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
Reviewed-by: Keir Mierle <keir@google.com>
diff --git a/README.md b/README.md
index 872db60..9f73d55 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,8 @@
 # Quick links
 
  - [Getting started guide](docs/getting_started.md)
- - [Source code](https://pigweed.googlesource.com/pigweed/pigweed/+/refs/heads/master)
+ - [Documentation](https://pigweed.dev)
+ - [Source code](https://cs.opensource.google/pigweed/pigweed)
  - [Code reviews](https://pigweed-review.googlesource.com/)
  - [Issue tracker](https://bugs.pigweed.dev/)
  - [Mailing list](https://groups.google.com/forum/#!forum/pigweed)
diff --git a/docs/index.rst b/docs/index.rst
index 0b495c1..de7c142 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -8,7 +8,7 @@
 
   Home <self>
   docs/getting_started.md
-  Source Code <https://pigweed.googlesource.com/pigweed/pigweed/+/refs/heads/master>
+  Source Code <https://cs.opensource.google/pigweed/pigweed>
   Code Reviews <https://pigweed-review.googlesource.com>
   Mailing List <https://groups.google.com/forum/#!forum/pigweed>
   Chat Room <https://discord.gg/M9NSeTA>
diff --git a/pw_protobuf_compiler/docs.rst b/pw_protobuf_compiler/docs.rst
index f1ea15a..c228850 100644
--- a/pw_protobuf_compiler/docs.rst
+++ b/pw_protobuf_compiler/docs.rst
@@ -166,7 +166,7 @@
 --------------------------------------------------
 By default, generated Python proto modules are organized into their own Python
 package. These proto modules can instead be added to an existing Python package
-declared with ``pw_python_library``. This is done by setting the
+declared with ``pw_python_package``. This is done by setting the
 ``python_package`` argument on the ``pw_proto_library`` and the
 ``proto_library`` argument on the ``pw_python_package``.
 
diff --git a/pw_tokenizer/docs.rst b/pw_tokenizer/docs.rst
index ee9d154..a95ee5a 100644
--- a/pw_tokenizer/docs.rst
+++ b/pw_tokenizer/docs.rst
@@ -279,7 +279,7 @@
 
   #define PW_LOG_TOKENIZED_ENCODE_MESSAGE(metadata, format, ...)         \
     do {                                                                 \
-      _PW_TOKENIZE_FORMAT_STRING(                                        \
+      PW_TOKENIZE_FORMAT_STRING(                                         \
           PW_TOKENIZER_DEFAULT_DOMAIN, UINT32_MAX, format, __VA_ARGS__); \
       EncodeTokenizedMessage(payload,                                    \
                              _pw_tokenizer_token,                        \