_content/doc/modules: add missing space in link text

Change-Id: Iecd4a489c730563abf13dcf5990e8361a89d4edd
Reviewed-on: https://go-review.googlesource.com/c/website/+/331549
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
diff --git a/_content/doc/modules/version-numbers.md b/_content/doc/modules/version-numbers.md
index 26b8638..d00ef4f 100644
--- a/_content/doc/modules/version-numbers.md
+++ b/_content/doc/modules/version-numbers.md
@@ -17,7 +17,7 @@
 **See also**
 
 * When you're using external packages in your code, you can manage those
-  dependencies with Go tools. For more, see [Managingdependencies](managing-dependencies).
+  dependencies with Go tools. For more, see [Managing dependencies](managing-dependencies).
 * If you're developing modules for others to use, you apply a version number
   when you publish the module, tagging the module in its repository. For more,
   see [Publishing a module](publishing).