_content/doc: fix typos in mod.md

Directory is mispelled as "diretory" and version is mispelled as "verison".

Change-Id: Id990c87e259761e84595206b19d779856ce4b344
GitHub-Last-Rev: 10b74268ded8f4955f86adf5a19f886988e59b55
GitHub-Pull-Request: golang/website#37
Reviewed-on: https://go-review.googlesource.com/c/website/+/292989
Trust: Ian Lance Taylor <iant@golang.org>
Trust: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
diff --git a/_content/doc/mod.md b/_content/doc/mod.md
index a9243e4..b1c0f4e 100644
--- a/_content/doc/mod.md
+++ b/_content/doc/mod.md
@@ -439,7 +439,7 @@
 replace each non-canonical version with an equivalent canonical version when it
 automatically [updates](#go-mod-file-updates) the `go.mod` file.
 
-In places where a module path is associated with a verison (as in `require`,
+In places where a module path is associated with a version (as in `require`,
 `replace`, and `exclude` directives), the final path element must be consistent
 with the version. See [Major version suffixes](#major-version-suffixes).
 
@@ -976,7 +976,7 @@
 building `GOPATH` mode.
 
 Normally in `GOPATH` mode, a package is stored in a directory matching its
-[repository's root path](#glos-repository-root-path) joined with its diretory
+[repository's root path](#glos-repository-root-path) joined with its directory
 within the repository. For example, a package in the repository with root path
 `example.com/repo` in the subdirectory `sub` would be stored in
 `$GOPATH/src/example.com/repo/sub` and would be imported as