Merge pull request #271 from xiao312/master

Update /mechanisms/H2/ReadMe.md

Author: OpenFOAMFans

mechanisms/H2/ReadMe.md

@@ -1,11 +1,11 @@
 **ES80_H2-7-16.yaml**   
-J S Evans, C J Schexnayder, Influence of chemical kinetics and unmixedness on burning in supersonic hydrogen flames, AIAA J. 18 (2) (1980) 188–193, doi:10.2514/3.507.
+J S Evans, C J Schexnayder, Influence of chemical kinetics and unmixedness on burning in supersonic hydrogen flames, AIAA J. 18 (2) (1980) 188–193, doi:10.2514/3.50747.
 
-**H2_AR.xml**   
+**H2_AR.yaml**   
 R J Kee, J F Grcar, M D Smooke, J A Miller, E Meeks, Premix: A fortran program for modeling steady laminar one-dimensional premixed flames, Sandia National Laboratories.
 
-**H2_Ja.xml**   
+**H2_Ja.yaml**   
 C J Jachimowski, An Analytical Study of the Hydrogen-Air Reaction Mechanism with Application to Scramjet Combustion, NASA TP-2791, Feb. 1988.
 
-**H2_Li.xml**   
+**H2_Li.yaml**   
 J Li, Z Zhao, A Kazakov, F L Dryer, An updated comprehensive kinetic model of hydrogen combustion, International Journal of Chemical Kinetics 36 (2004) 566-575.