_content/doc/tutorial: add missing ` of tutorial for workplace

Fixes golang/go#51762

Change-Id: I62b360d470fa1cdd3b32e851e65def5ec867c18d
GitHub-Last-Rev: 1a3c23a3f849e4e0bec3e24725298ee6606a6ae3
GitHub-Pull-Request: golang/website#146
Reviewed-on: https://go-review.googlesource.com/c/website/+/394414
Reviewed-by: Ian Lance Taylor <iant@google.com>
Trust: Cherry Mui <cherryyz@google.com>
diff --git a/_content/doc/tutorial/workspaces.md b/_content/doc/tutorial/workspaces.md
index 5cd5cdf..576066f 100644
--- a/_content/doc/tutorial/workspaces.md
+++ b/_content/doc/tutorial/workspaces.md
@@ -181,7 +181,7 @@
    )
    ```
 
-   The module now includes both the `example.com/hello` module and the `golang.org/x/example module.
+   The module now includes both the `example.com/hello` module and the `golang.org/x/example` module.
 
    This will allow us to use the new code we will write in our copy of the `stringutil` module
    instead of the version of the module in the module cache that we downloaded with the `go get` command.