Update cc-toolchain-config.md

Typo fix.

Closes #8841.

PiperOrigin-RevId: 257383232
diff --git a/site/docs/tutorial/cc-toolchain-config.md b/site/docs/tutorial/cc-toolchain-config.md
index 3141057..c971271 100644
--- a/site/docs/tutorial/cc-toolchain-config.md
+++ b/site/docs/tutorial/cc-toolchain-config.md
@@ -156,7 +156,6 @@
         toolchain_config = ":asmjs_toolchain_config",
         all_files = ":empty",
         compiler_files = ":empty",
-        cpu = "asmjs",
         dwp_files = ":empty",
         linker_files = ":empty",
         objcopy_files = ":empty",
@@ -186,7 +185,7 @@
 
     `CcToolchainConfigInfo` is a provider that we use to configure our C++
     toolchains. We are going to create a Starlark rule that will provide
-    `CcToolchainConfigInfo`. Create a `toolchains/cc_toolchain_config.bzl`
+    `CcToolchainConfigInfo`. Create a `toolchain/cc_toolchain_config.bzl`
     file with the following content:
     ```
     def _impl(ctx):