Made changes to preface.asciidoc

preface.asciidoc

@@ -145,30 +145,30 @@ Thank you all for supporting me throughout this journey.
 
 Many contributors offered comments, corrections, and additions to the early-release draft on GitHub. Thank you all for your contributions to this book. Notable contributors included the following:
 
-===== (Name - GitHub ID)
-
-* *Minh T. Nguyen - enderminh: Github contribution editor*
-* Ed Eykholt - edeykholt
-* Michalis Kargakis - kargakis
-* Erik Wahlström - erikwam
-* Richard Kiss - richardkiss
-* Eric Winchell - winchell
-* Sergej Kotliar - ziggamon
-* Nagaraj Hubli - nagarajhubli
+===== Name: GitHub ID
+
+* *Minh T. Nguyen, GitHub contribution editor: enderminh*
+* Ed Eykholt: edeykholt
+* Michalis Kargakis: kargakis
+* Erik Wahlström: erikwam
+* Richard Kiss: richardkiss
+* Eric Winchell: winchell
+* Sergej Kotliar: ziggamon
+* Nagaraj Hubli: nagarajhubli
 * ethers
-* Alex Waters - alexwaters
-* Mihail Russu - MihailRussu
-* Ish Ot Jr. - ishotjr
-* James Addison - jayaddison
-* Nekomata - nekomata-3
-* Simon de la Rouviere - simondlr
-* Chapman Shoop - belovachap
-* Holger Schinzel - schinzelh
-* effectsToCause - vericoin
-* Stephan Oeste - Emzy
-* Joe Bauers - joebauers
-* Jason Bisterfeldt - jbisterfeldt
-* Ed Leafe - EdLeafe
+* Alex Waters: alexwaters
+* Mihail Russu: MihailRussu
+* Ish Ot Jr.: ishotjr
+* James Addison: jayaddison
+* Nekomata: nekomata-3
+* Simon de la Rouviere: simondlr
+* Chapman Shoop: belovachap
+* Holger Schinzel: schinzelh
+* effectsToCause: vericoin
+* Stephan Oeste: Emzy
+* Joe Bauers: joebauers
+* Jason Bisterfeldt: jbisterfeldt
+* Ed Leafe: EdLeafe
 
 ++++
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