diff --git a/src/components/views/settings/SetIdServer.js b/src/components/views/settings/SetIdServer.js
index a9762b6e50..70140d4b6a 100644
--- a/src/components/views/settings/SetIdServer.js
+++ b/src/components/views/settings/SetIdServer.js
@@ -58,11 +58,11 @@ function unabbreviateUrl(u) {
 /**
  * Check an IS URL is valid, including liveness check
  *
- * @param {string} isUrl The url to check
+ * @param {string} u The url to check
  * @returns {string} null if url passes all checks, otherwise i18ned error string
  */
-async function checkIdentityServerUrl(url) {
-    const parsedUrl = url.parse(isUrl);
+async function checkIdentityServerUrl(u) {
+    const parsedUrl = url.parse(u);
 
     if (parsedUrl.protocol !== 'https:') return _t("Identity Server URL must be HTTPS");
 
@@ -73,7 +73,7 @@ async function checkIdentityServerUrl(url) {
             // also XXX: we don't really know whether to hit /v1 or /v2 for this: we
             // probably want a /versions endpoint like the C/S API.
             // https://github.com/matrix-org/matrix-doc/issues/1665
-            { method: "GET", url: isUrl + '/_matrix/identity/api/v1' },
+            { method: "GET", url: u + '/_matrix/identity/api/v1' },
             (err, response, body) => {
                 if (err) {
                     resolve(_t("Could not connect to Identity Server"));
@@ -133,7 +133,7 @@ export default class SetIdServer extends React.Component {
 
         const fullUrl = unabbreviateUrl(this.state.idServer);
 
-        const errStr = await checkIsUrl(fullUrl);
+        const errStr = await checkIdentityServerUrl(fullUrl);
 
         let newFormValue = this.state.idServer;
         if (!errStr) {
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index 154871a977..5576ee6122 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -540,13 +540,13 @@
     "Display Name": "Display Name",
     "Save": "Save",
     "Identity Server URL must be HTTPS": "Identity Server URL must be HTTPS",
-    "Could not connect to ID Server": "Could not connect to ID Server",
-    "Not a valid ID Server (status code %(code)s)": "Not a valid ID Server (status code %(code)s)",
-    "Checking Server": "Checking Server",
+    "Could not connect to Identity Server": "Could not connect to Identity Server",
+    "Not a valid Identity Server (status code %(code)s)": "Not a valid Identity Server (status code %(code)s)",
+    "Checking server": "Checking server",
     "Identity Server (%(server)s)": "Identity Server (%(server)s)",
     "You are currently using <server></server> to discover and be discoverable by existing contacts you know. You can change your identity server below.": "You are currently using <server></server> to discover and be discoverable by existing contacts you know. You can change your identity server below.",
     "Identity Server": "Identity Server",
-    "You are not currently using an Identity Server. To discover and be discoverable by existing contacts you know, add one below": "You are not currently using an Identity Server. To discover and be discoverable by existing contacts you know, add one below",
+    "You are not currently using an identity server. To discover and be discoverable by existing contacts you know, add one below.": "You are not currently using an identity server. To discover and be discoverable by existing contacts you know, add one below.",
     "Change": "Change",
     "Flair": "Flair",
     "Failed to change password. Is your password correct?": "Failed to change password. Is your password correct?",