diff --git a/README.md b/README.md
index 959597b..3831817 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ These constraints came from the industrial-research we had done prior to the sta
 (More on that later.)
 
 Back in the late 1990s to mid-2000s, when the core tree-stream technology was first invented — the technology that would later be called “logjam” — it wasn't yet possible to accomplish this.
-The web-browsers of the data lacked the necessary lower-level technologies to enable it.
+The web-browsers of the day lacked the necessary lower-level technologies to enable it.
 But, decades later — with the addition of the WebRTC technology to the web-browser, all of a sudden it looked like it might be possible.
 
 The goal was to recreate the tree-stream (“logjam”) technology which invented in the late 1990s to mid-2000s — but to this time re-create it to work within a web-browser.