contribute: Ask newcomers to introduce themselves.

Suggested by Mark Wielaard.

* contribute.md: Add third step.

1 files changed, 4 insertions, 1 deletions

diff --git a/contribute.md b/contribute.md
index ddae0b9..9f9fcf1 100644
--- a/contribute.md
+++ b/contribute.md
@@ -17,6 +17,9 @@ the Assembly are as follows:
      list](https://lists.gnu.tools/hyperkitty/list/assembly@lists.gnu.tools/)
      and check out the [code of conduct](/en/documents/code-of-conduct)
      that applies.
-  3. There is no third step.
+  3. Introduce yourself on the list and propose changes adding you to
+     the [software page](/en/software)
+     ([source](https://wiki.gnu.tools/git/gnu-tools-website/tree/software.sxml)),
+     which a [committer](/en/documents/roles) will apply for you.
   
 Let’s connect the software packages and the people behind them!