diff --git a/hints/port-modules.md b/hints/port-modules.md
index 85b890ea..c91b62c7 100644
--- a/hints/port-modules.md
+++ b/hints/port-modules.md
@@ -28,4 +28,4 @@ Our wager with the Gren package ecosystem is that it is better to get a package
 
 Now this may not be the right choice for your particular project, and that is okay! We will be expanding our core libraries over time, as explained [here](https://github.com/gren-lang/projects/blob/master/roadmap.md#where-is-the-localstorage-package), and we hope you will circle back later to see if Gren has grown into a better fit!
 
-If you have more questions about this choice or what it means for your application, please come ask in [the Gren slack](http://grenlang.herokuapp.com/). Folks are friendly and happy to help out! Chances are that a `port` in your application will work great for your case once you learn more about how they are meant to be used.
+If you have more questions about this choice or what it means for your application, please come ask in [the Gren zulip](https://gren.zulipchat.com/). Folks are friendly and happy to help out! Chances are that a `port` in your application will work great for your case once you learn more about how they are meant to be used.
diff --git a/terminal/src/Main.hs b/terminal/src/Main.hs
index 7a2f9f0f..dcd754a3 100644
--- a/terminal/src/Main.hs
+++ b/terminal/src/Main.hs
@@ -63,7 +63,7 @@ outro =
   P.fillSep $
     map P.text $
       words
-        "Be sure to ask on the Gren slack if you run into trouble! Folks are friendly and\
+        "Be sure to ask on the Gren zulip if you run into trouble! Folks are friendly and\
         \ happy to help out. They hang out there because it is fun, so be kind to get the\
         \ best results!"