diff --git a/crypto/XMASSpirit/README.md b/crypto/XMASSpirit/README.md
index 2de273b..57be399 100644
--- a/crypto/XMASSpirit/README.md
+++ b/crypto/XMASSpirit/README.md
@@ -17,7 +17,7 @@ HTB{4ff1n3_c1ph3r_15_51mpl3_m47h5}
 
 - It's a known plaintext attack.
 - The encryption works by applying `(a*byte+b)%n` for each byte of the pdf.
-- Where `a` and `b` remain static across the whole file.
+- Where `a` and `b` remain static during  the entire encryption process.
 - The PDFv5 Header is known (`00000000: 2550 4446 2d31 2e35 0a25 e2e3 cfd3 0a37	%PDF-1.5.%.....7`)
 - Constraint 1: Factor `a` has to be a number between 1..256 while not sharing a common divisor with 256
 - Constraitn 2: Factor `b` has to be a number between 1..256