Update build instructions in readme (hypertrace#294)

pavolloffay · web-flow · commit bf68d69c2b60 · 2021-03-29T17:12:06.000+02:00
Signed-off-by: Pavol Loffay &lt;p.loffay@gmail.com&gt;
diff --git a/README.md b/README.md
@@ -35,7 +35,7 @@ The providers can be disabled at startup via `ht.filter.provider.<provider-class
 ## Build
 
 ```bash
-make build
+make init-submodules build
 ```
 
 The final artifact is in `javaagent/build/libs/hypertrace-agent-<version>-all.jar`
