diff --git a/modules/journalwatch.nix b/modules/journalwatch.nix
index 4b68c2b..51d9ece 100644
--- a/modules/journalwatch.nix
+++ b/modules/journalwatch.nix
@@ -21,9 +21,15 @@
   # Manually execute journalwatch timer:
   #   sudo systemctl start journalwatch.service
 
+  # View generated journalwatch config:
+  #   cat "$(systemctl show -P FragmentPath journalwatch.service)" | grep XDG_CONFIG_HOME
+  #   #=> /nix/store/vzfvp7kizycs6lnks6icmlw3h1x6p7la-journalwatch-config
+  #   cat /nix/store/vzfvp7kizycs6lnks6icmlw3h1x6p7la-journalwatch-config/journalwatch/config
+  #   cat /nix/store/vzfvp7kizycs6lnks6icmlw3h1x6p7la-journalwatch-config/journalwatch/patterns
+
   # Find a message and view its details
   #   journalctl -b -p5 -o json-pretty
-  # Then press "/" and enter a pattern, then press "Enter".
+  #   Then press "/", enter a pattern and press "Enter".
 
   assertions = [{
     assertion = config.services.opensmtpd.enable;
@@ -45,7 +51,7 @@
     # `filters` are always regular expressions.
     # All regular expressions have to match the full string!
     #
-    # TODO: A "\s" in the double-quoted string `match` is inserted as `s` in the generated config file! We have to use "\\s" to insert `\s`.
+    # TODO: To insert `\` in the generated configuration, we have to use "\\" in double-quoted strings.
     # TODO: A ''\s'' in the multiline string `filter` is inserted as `\s` in the generated config file.
     #
     filterBlocks = [
@@ -70,7 +76,7 @@
           # Ignore any invocation of sudo.
           .*
         '';
-        match = "_EXE = //nix/store/[a-z0-9]+-sudo-[0-9]+\.[0-9]+\.[0-9]+[a-z0-9]+/bin/sudo/";
+        match = "_EXE = //nix/store/[a-z0-9]+-sudo-[0-9]+\\.[0-9]+\\.[0-9]+[a-z0-9]+/bin/sudo/";
       }
 
       #
@@ -92,7 +98,7 @@
         filters = ''
           .*
         '';
-        match = "CONTAINER_NAME = /(docker-compose-btp-proxy-1|nc_web_[^-_\\s]+|nginx_arch\.p1st\.de|recipe\.privacy1st\.de_nginx)/";
+        match = "CONTAINER_NAME = /(docker-compose-btp-proxy-1|nc_web_[^-_\\s]+|nginx_arch\\.p1st\\.de|recipe\\.privacy1st\\.de_nginx)/";
       }
       { # yodaNas
         # TODO: Open issue on GitHub https://github.com/nginx-proxy/nginx-proxy/issues/1256. Maybe set env variable RESOLVERS=1.1.1.1?
@@ -135,10 +141,10 @@
           \S+ \S+ \[notice\] [0-9]+#[0-9]+: start worker processes
           \S+ \S+ \[notice\] [0-9]+#[0-9]+: start worker process [0-9]+
         '';
-        match = "IMAGE_NAME = /nginx:\S+/";
+        match = "IMAGE_NAME = /nginx:\\S+/";
       }
       { # yodaNas
-        # TODO: logged IP is not the public one, but always 172.24.0.6
+        # TODO: logged IP is not the public one, but always 172.24.0.6.
         filters = ''
           Could not yet connect with DB\. Retrying in 10s \.\.\.
           Nextcloud or one of the apps require upgrade - only a limited number of commands are available
@@ -249,7 +255,7 @@
         filters = ''
           .*
         '';
-        match = "IMAGE_NAME = /(deluan/navidrome|ghcr\.io/dgtlmoon/changedetection\.io)/";
+        match = "IMAGE_NAME = /(deluan/navidrome|ghcr\\.io/dgtlmoon/changedetection\\.io)/";
       }
 
       #
@@ -260,7 +266,7 @@
         filters = ''
           .*
         '';
-        match = "_SYSTEMD_UNIT = /(bluetooth\.service|cups\.service)/";
+        match = "_SYSTEMD_UNIT = /(bluetooth\\.service|cups\\.service)/";
       }
       { # yodaNas. TODO: This is maybe a bug. It occurs when deploying and switching to a NixOS config with colmena.
         filters = ''
@@ -454,7 +460,7 @@
         filters = ''
           .*
         '';
-        match = "_SYSTEMD_USER_UNIT = /(org\.gnome\..+\.service|pipewire\.service|wireplumber\.service|app-gnome-org\.gnome\.Software-[0-9]+\.scope)/";
+        match = "_SYSTEMD_USER_UNIT = /(org\\.gnome\\..+\\.service|pipewire\\.service|wireplumber\\.service|app-gnome-org\\.gnome\\.Software-[0-9]+\\.scope)/";
       }
    ];
   };