diff --git a/.eslintrc.yaml b/.eslintrc.yaml
index f29f374f484..1dde19c431b 100644
--- a/.eslintrc.yaml
+++ b/.eslintrc.yaml
@@ -103,6 +103,7 @@ rules:
     lang: en_US
     skipIfMatch:
     - 'http://[^s]*'
+    - 'https://[^s]*'
     - '^[-\w]+/[-\w\.]+$'  # for MIME types
     skipWords: [redux, Zulip, uri, timestamp, api, nav, init, auth, prev, utils, io,
       http, https, msg, msg1, msg2, gif, img, abc, def, jkl, xyz, fn, params, backends,
@@ -126,7 +127,9 @@ rules:
       avoider, octicons, centerer, ldap, gravatar, identicon, blueimp, filename, wildcards,
       jpeg, jpg, tif, mov, notif, diag, bmp, viewport, scalable, polyfill, rect, touchstart,
       touchend, touchmove, remoteuser, sso, submessages, nbsp, args, px, na, heic,
-      unstarred, gooooooooal, dogi]
+      unstarred, gooooooooal, dogi, linter, lifecycle, subtree, zlib, lt, lector, overlayed,
+      rehydration, howto, hotspots, pressable, uncomment, interoperability,
+      rt2zz, bd20a756f9, issuecomment, flowtype, natively, libdef, fullsize, Kat]
 overrides:
   - files:
       - generatedEs3.js
diff --git a/package.json b/package.json
index 8df8fcee21c..299e5973ba3 100644
--- a/package.json
+++ b/package.json
@@ -105,7 +105,7 @@
     "eslint-plugin-prettier": "^2.6.0",
     "eslint-plugin-react": "^7.8.2",
     "eslint-plugin-react-native": "^3.2.1",
-    "eslint-plugin-spellcheck": "0.0.6",
+    "eslint-plugin-spellcheck": "0.0.11",
     "flow-bin": "0.78",
     "flow-coverage-report": "^0.6.0",
     "flow-typed": "^2.4.0",
diff --git a/src/api/apiTypes.js b/src/api/apiTypes.js
index 2720954c645..df89fa149db 100644
--- a/src/api/apiTypes.js
+++ b/src/api/apiTypes.js
@@ -18,7 +18,7 @@ export type DevUser = {
  * These correspond to the values allowed for Reaction.reaction_type in the
  * server's models.  The values are:
  *  * unicode_emoji: An emoji found in Unicode, corresponding to a sequence
- *    of Unicode codepoints.  The list of these depends on the Zulip
+ *    of Unicode code points.  The list of these depends on the Zulip
  *    server's version.
  *  * realm_emoji: A custom emoji uploaded by some user on a given realm.
  *  * zulip_extra_emoji: An emoji distributed with Zulip, like :zulip:.
diff --git a/src/common/UnreadCount.js b/src/common/UnreadCount.js
index ae744e48901..a8399557554 100644
--- a/src/common/UnreadCount.js
+++ b/src/common/UnreadCount.js
@@ -51,7 +51,7 @@ type Props = {
  * @prop [count] - Numerical value for the unread count.
  * @prop [isMuted] - Flag indicating the entity to which the
  *   unread count value is related is muted. Styled differently.
- * @prop [inverse] - Indicate if styling should be inversed (dark on light).
+ * @prop [inverse] - Indicate if styling should be inverted (dark on light).
  * @prop [limited] - If set values over 100 will display as `99+`.
  */
 export default class UnreadCount extends PureComponent<Props> {
diff --git a/src/compose/ComposeMenu.js b/src/compose/ComposeMenu.js
index 1844b9c8d46..afacdde1425 100644
--- a/src/compose/ComposeMenu.js
+++ b/src/compose/ComposeMenu.js
@@ -34,7 +34,7 @@ type Props = {
 export const chooseUploadImageFilename = (uri: string, fileName: string): string => {
   /*
   * Photos in an iPhone's camera roll (taken since iOS 11) are typically in
-  * HEIF format and have filenames with the extension `.HEIC`.  When the user
+  * HEIF format and have file names with the extension `.HEIC`.  When the user
   * selects one of these photos through the image picker, the file gets
   * automatically converted to JPEG format... but the `fileName` property in
   * the react-native-image-picker response still has the `.HEIC` extension.
diff --git a/src/utils/encoding.js b/src/utils/encoding.js
index 32226419339..e48dbf5f134 100644
--- a/src/utils/encoding.js
+++ b/src/utils/encoding.js
@@ -36,7 +36,7 @@ export const hexToBase64 = (hex: string) => base64.encode(hexToAscii(hex));
  * Encode a string as the base64 representation of its UTF-8 bytes.
  *
  * This lets us pass an arbitrary string through a channel (like the
- * `postMessage` on RN's webviews on Android) that tries to do something
+ * `postMessage` on RN's WebViews on Android) that tries to do something
  * like percent-decode it.
  */
 export const base64Utf8Encode = (text: string): string =>
diff --git a/src/utils/presence.js b/src/utils/presence.js
index 7131b69bde9..40d934e73c5 100644
--- a/src/utils/presence.js
+++ b/src/utils/presence.js
@@ -13,7 +13,7 @@ const OFFLINE_THRESHOLD_SECS = 140;
  * the subsystem doc:
  *   https://zulip.readthedocs.io/en/latest/subsystems/presence.html
  *
- * This logic should match `status_from_timestamp` in the webapp's
+ * This logic should match `status_from_timestamp` in the web app's
  * `static/js/presence.js`.
  */
 export const getAggregatedPresence = (presence: Presence): PresenceAggregated =>
diff --git a/src/webview/js/js.js b/src/webview/js/js.js
index d7498853020..b5aba797682 100644
--- a/src/webview/js/js.js
+++ b/src/webview/js/js.js
@@ -571,12 +571,12 @@ documentBody.addEventListener('click', (e: MouseEvent) => {
     return;
   }
 
-  /* Should we pull up the lightbox?  For comparison, see the webapp's
+  /* Should we pull up the lightbox?  For comparison, see the web app's
    * static/js/lightbox.js , starting at the `#main_div` click handler. */
   const inlineImageLink = target.closest('.message_inline_image a');
   if (
     inlineImageLink
-    /* The webapp displays certain videos inline, but on mobile
+    /* The web app displays certain videos inline, but on mobile
      * we'd rather let another app handle them, as links. */
     && !inlineImageLink.closest('.youtube-video, .vimeo-video')
   ) {
@@ -628,7 +628,7 @@ const handleLongPress = (target: Element) => {
   // It would be good to clean it up to be clearer.
   //
   // At the same time, the logic is believed not to cover all the cases it
-  // should; for example, multitouch events.  Better would be to either find
+  // should; for example, multi-touch events.  Better would be to either find
   // a library we can use which strives to handle all that complexity, or
   // get long-press events from the platform.
   if (!lastTouchEventTimestamp || Date.now() - lastTouchEventTimestamp < 500) {
diff --git a/yarn.lock b/yarn.lock
index 2a0ad38cc80..d268a373e45 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2949,14 +2949,14 @@ eslint-plugin-react@^7.8.2:
     jsx-ast-utils "^2.0.1"
     prop-types "^15.6.0"
 
-eslint-plugin-spellcheck@0.0.6:
-  version "0.0.6"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-spellcheck/-/eslint-plugin-spellcheck-0.0.6.tgz#bd5b5c93864dee3baa2db4f603983c8e29d39634"
-  integrity sha1-vVtck4ZN7juqLbT2A5g8jinTljQ=
+eslint-plugin-spellcheck@0.0.11:
+  version "0.0.11"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-spellcheck/-/eslint-plugin-spellcheck-0.0.11.tgz#f3fcff70a0446e1f04eacd5ebaa8cab23e691b4a"
+  integrity sha512-P8NCB9Y9u3PLSdW5PeVY6kcBR/WkP/FB3toik5ahaGc13s+Di+Op+ItinB89Z+61+IrXQX//qeGh1mgCGrp7LA==
   dependencies:
-    globals "^6.4.1"
-    hunspell-spellchecker "^1.0.0"
-    lodash "^3.3.1"
+    globals "^11.3.0"
+    hunspell-spellchecker "^1.0.2"
+    lodash "^4.14.2"
 
 eslint-restricted-globals@^0.1.1:
   version "0.1.1"
@@ -3720,10 +3720,9 @@ globals@^11.1.0:
   resolved "https://registry.yarnpkg.com/globals/-/globals-11.1.0.tgz#632644457f5f0e3ae711807183700ebf2e4633e4"
   integrity sha512-uEuWt9mqTlPDwSqi+sHjD4nWU/1N+q0fiWI9T1mZpD2UENqX20CFD5T/ziLZvztPaBKl7ZylUi1q6Qfm7E2CiQ==
 
-globals@^6.4.1:
-  version "6.4.1"
-  resolved "https://registry.yarnpkg.com/globals/-/globals-6.4.1.tgz#8498032b3b6d1cc81eebc5f79690d8fe29fabf4f"
-  integrity sha1-hJgDKzttHMge68X3lpDY/in6v08=
+globals@^11.3.0:
+  version "11.7.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-11.7.0.tgz#a583faa43055b1aca771914bf68258e2fc125673"
 
 globals@^9.18.0:
   version "9.18.0"
@@ -4013,7 +4012,7 @@ https-proxy-agent@^2.1.1:
     agent-base "^4.1.0"
     debug "^3.1.0"
 
-hunspell-spellchecker@^1.0.0:
+hunspell-spellchecker@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/hunspell-spellchecker/-/hunspell-spellchecker-1.0.2.tgz#a10b0bd2fa00a65ab62a4c6b734ce496d318910e"
   integrity sha1-oQsL0voAplq2Kkxrc0zkltMYkQ4=
@@ -5782,10 +5781,9 @@ lodash@4.x.x, lodash@^4.0.0, lodash@^4.13.1, lodash@^4.14.0, lodash@^4.15.0, lod
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
   integrity sha1-eCA6TRwyiuHYbcpkYONptX9AVa4=
 
-lodash@^3.3.1:
-  version "3.10.1"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
-  integrity sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y=
+lodash@^4.14.2:
+  version "4.17.10"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
 
 lodash@^4.17.10:
   version "4.17.11"