docs: Add missing spaces around code spans.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

api_docs/changelog.md

@@ -24,8 +24,8 @@ format used by the Zulip server that they are interacting with.
 
 * [`PATCH /realm/user_settings_defaults`](/api/update-realm-user-settings-defaults),
   [`POST /register`](/api/register-queue), [`PATCH /settings`](/api/update-settings):
-  Added a new user setting,`automatically_follow_topics_where_mentioned`
-  that allows user to automatically follow topics where the user is mentioned.
+  Added a new user setting, `automatically_follow_topics_where_mentioned`,
+  that allows the user to automatically follow topics where the user is mentioned.
 
 **Feature level 234**
 

docs/production/deployment.md

@@ -568,7 +568,7 @@ Apache requires you use the hostname, not the IP address; see
 ### HAProxy configuration
 
 Below is a working example of a HAProxy configuration. It assumes that
-your Zulip server sits at `https://10.10.10.10:443`see
+your Zulip server sits at `https://10.10.10.10:443`; see
 [above](#configuring-zulip-to-allow-http) to switch to HTTP.
 
 1. Follow the instructions to [configure Zulip to trust

tools/oneclickapps/README.md

@@ -66,7 +66,7 @@ Also pass the following as environment variables in `.github/workflows/update-on
 - Delete the test droplet `oneclickapp-{release_version}-test` after you have completed testing
   by going to the [DigitalOcean Zulip team account](https://cloud.digitalocean.com/droplets?i=0242e0).
   If there are other existing test droplets with the same name format but with with older release versions
-  feel free to delete them as well. These droplets are also tagged with `github-action` and`temporary`
+  feel free to delete them as well. These droplets are also tagged with the `github-action` and `temporary`
   tags.
 
 **Errors**