diff --git a/go/private/extensions.bzl b/go/private/extensions.bzl
index d3dc4aa790..249ec10a0e 100644
--- a/go/private/extensions.bzl
+++ b/go/private/extensions.bzl
@@ -4,8 +4,8 @@ load("//go/private:repositories.bzl", "go_rules_dependencies")
 def host_compatible_toolchain_impl(ctx):
     ctx.file("BUILD.bazel")
     ctx.file("defs.bzl", content = """
-host_compatible_sdk = Label("{}")
-""".format(ctx.attr.toolchain))
+host_compatible_sdk = Label({})
+""".format(repr(ctx.attr.toolchain)))
 
 host_compatible_toolchain = repository_rule(
     implementation = host_compatible_toolchain_impl,
@@ -13,7 +13,7 @@ host_compatible_toolchain = repository_rule(
         # We cannot use attr.label for the `toolchain` attribute since the module extension cannot
         # refer to the repositories it creates by their apparent repository names.
         "toolchain": attr.string(
-            doc = "The label of a `ROOT` file in the repository of a host compatible toolchain",
+            doc = "The apparent label of a `ROOT` file in the repository of a host compatible toolchain created by the `go_sdk` extension",
             mandatory = True,
         ),
     },