diff --git a/src/translations/en.json b/src/translations/en.json
index 69e2c03e..4a4a9e33 100644
--- a/src/translations/en.json
+++ b/src/translations/en.json
@@ -1,8 +1,9 @@
 {
+  "AuthenticationPage.emailAlreadyInUse": "An account already exists with this email address. Try logging in instead.",
   "AuthenticationPage.loginFailed": "The email and password you entered did not match our records. Please double-check and try again.",
   "AuthenticationPage.loginLinkText": "Login",
   "AuthenticationPage.loginPageTitle": "Login",
-  "AuthenticationPage.signupFailed": "Oops, could not sign up. Please try again.",
+  "AuthenticationPage.signupFailed": "Signup failed. Please make sure all the information you entered is correct and try again.",
   "AuthenticationPage.signupLinkText": "Sign up",
   "AuthenticationPage.signupPageTitle": "Sign up",
   "AuthorInfo.host": "Hosted by {authorName}",