diff --git a/Isitflyday.md b/Isitflyday.md
index 2dd3f96..5b6b753 100644
--- a/Isitflyday.md
+++ b/Isitflyday.md
@@ -9,4 +9,4 @@ This command is used when you aren't quite sure if it's Flyday yet.
 
 Usage:  `/isitflyday` or `.isitflyday`
 
-<small>*Flyday is the day in which Pony dons a bra atop his head and turns into a fly.  Flyday is <b>usually</b> Tuesday.</small>
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+<small>*Flyday is the day on which Pony dons a bra atop his head and turns into a fly.  Flyday is <b>usually</b> Tuesday.</small>
\ No newline at end of file