deletions | additions       diff --git a/Introduction.md b/Introduction.md  index b53aeae..a1f4651 100644  --- a/Introduction.md  +++ b/Introduction.md 
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From the full COSMOS catalog, we select appropriate Exp, Dev, and Sersic models according to the following standards:   1. Exp models: $mag \(mag  \le 23.0$, $b/a 23.0\), \(b/a  \ge 0.4$, $2.0 0.4\), \(2.0  \le R_e \le 20.0$, 20.0\),  and $MADEXP\_DEV \(MADEXP\_DEV  > 1.0$ 1.0\)  2. Dev models:   ## Fake Galaxies Injection