Update DEV-GUIDE.md

Author: m-dzianishchyts

DEV-GUIDE.md

@@ -2,7 +2,7 @@
 
 ## Installing the latest snapshot version of the Kernel
 
-On macOS (and possibly on Linux) you could just run `snapshot-install.sh` script 
+On macOS (and possibly on Linux) you could just run `install-snapshot.sh` script 
 to build and install current snapshot version of the JJava kernel.
 
 Alternatively, you could just build it and install as with any release version: