diff --git a/keyserver/src/scripts/add-edit-thread-detailed-permissions.js b/keyserver/src/scripts/add-edit-thread-detailed-permissions.js
--- a/keyserver/src/scripts/add-edit-thread-detailed-permissions.js
+++ b/keyserver/src/scripts/add-edit-thread-detailed-permissions.js
@@ -1,4 +1,5 @@
 // @flow
+
 import bots from 'lib/facts/bots';
 import { assertThreadType } from 'lib/types/thread-types';
 
diff --git a/lib/facts/ashoat.js b/lib/facts/ashoat.js
--- a/lib/facts/ashoat.js
+++ b/lib/facts/ashoat.js
@@ -1,9 +1,10 @@
 // @flow
-type Ashoat = {
+
+type Ashoat = $ReadOnly<{
   id: string,
   email: string,
   landing_email: string,
-};
+}>;
 
 const ashoat: Ashoat = {
   id: '256',
diff --git a/lib/facts/bots.js b/lib/facts/bots.js
--- a/lib/facts/bots.js
+++ b/lib/facts/bots.js
@@ -1,7 +1,11 @@
 // @flow
-type Bots = {
-  commbot: any,
-};
+
+type Bots = $ReadOnly<{
+  commbot: $ReadOnly<{
+    userID: string,
+    staffThreadID: string,
+  }>,
+}>;
 
 const bots: Bots = {
   commbot: {
diff --git a/lib/facts/genesis.js b/lib/facts/genesis.js
--- a/lib/facts/genesis.js
+++ b/lib/facts/genesis.js
@@ -1,10 +1,11 @@
 // @flow
-type Genesis = {
+
+type Genesis = $ReadOnly<{
   id: string,
   name: string,
   description: string,
-  introMessages: string[],
-};
+  introMessages: $ReadOnlyArray<string>,
+}>;
 
 const genesis: Genesis = {
   id: '1',
diff --git a/lib/facts/staff.js b/lib/facts/staff.js
--- a/lib/facts/staff.js
+++ b/lib/facts/staff.js
@@ -1,27 +1,28 @@
 // @flow
+
 const staff: string[] = [
-  "256",
-  "518252",
-  "379341",
-  "546465",
-  "1157418",
-  "1509097",
-  "1329299",
-  "1105724",
-  "1559042",
-  "1589929",
-  "1629414",
-  "1362191",
-  "1521260",
-  "2039907",
-  "2241388",
-  "2231519",
-  "2385131",
-  "2775177",
-  "2809656",
-  "2815499",
-  "3033752",
-  "3079802"
+  '256',
+  '518252',
+  '379341',
+  '546465',
+  '1157418',
+  '1509097',
+  '1329299',
+  '1105724',
+  '1559042',
+  '1589929',
+  '1629414',
+  '1362191',
+  '1521260',
+  '2039907',
+  '2241388',
+  '2231519',
+  '2385131',
+  '2775177',
+  '2809656',
+  '2815499',
+  '3033752',
+  '3079802',
 ];
 
 export default staff;
diff --git a/lib/facts/testers.js b/lib/facts/testers.js
--- a/lib/facts/testers.js
+++ b/lib/facts/testers.js
@@ -1,9 +1,10 @@
 // @flow
-type Testers = {
+
+type Testers = $ReadOnly<{
   name: string,
   description: string,
-  introMessages: string[],
-};
+  introMessages: $ReadOnlyArray<string>,
+}>;
 
 const testers: Testers = {
   name: 'OG SquadCal testers',