Remove erroneous openethereum dep

README.md

@@ -21,7 +21,6 @@ For the optional bloxberg node build (`INSTALL_EVM=bloxberg`), additionally thes
 - rustup (1.24.3)
 - clang (12.0.1)
 - cmake (3.21.2)
-- openethereum (1.47.0)
 
 
 ## Installation settings
@@ -53,7 +52,7 @@ If you want to build the bloxberg mode executable (be warned, that's a long wait
 export INSTALL_EVM=bloxberg
 ```
 
-If you wish, you can use an existing openethereum executable instead by setting:
+If you wish, you can use an existing openethereum executable instead. Make sure `<path_to_binary> --version` shows `2.7.2`, and then set:
 
 
 ```