diff --git a/chrome/locale/en-US/overlay.dtd b/chrome/locale/en-US/overlay.dtd
index 069c17e..c945cb8 100644
--- a/chrome/locale/en-US/overlay.dtd
+++ b/chrome/locale/en-US/overlay.dtd
@@ -1,4 +1,4 @@
-<!ENTITY  spdyindicator.tooltipInactive   "SPDY is inactive">
+<!ENTITY  spdyindicator.tooltipInactive   "Neither SPDY nor HTTP/2 are active">
 <!ENTITY  spdyindicator.tooltipActive     "SPDY is active for the top-level document">
 <!ENTITY  spdyindicator.tooltipSubactive  "HTTP/2 or SPDY is active for some sub-documents included in the top-level document">
 <!ENTITY  spdyindicator.tooltipSPDY2      "SPDY 2 is active for the top-level document">