Update README.md

Author: olegoaer

README.md

@@ -47,7 +47,7 @@ If you use ecoCode in an academic work we would be really glad if you cite our s
 ```bibtex
 @inproceedings{10.1145/3551349.3559518,
   author = {Le Goaer, Olivier and Hertout, Julien},
-  title = {EcoCode: A SonarQube Plugin to Remove Energy Smells from Android Projects},
+  title = {ecoCode: A SonarQube Plugin to Remove Energy Smells from Android Projects},
   year = {2023},
   isbn = {9781450394758},
   publisher = {Association for Computing Machinery},