WARP: Update readme to reflect correct env var

DEP_BINARYNINJACORE_PATH is an artifact from the branch `rust_break_everything`

Author: emesare

plugins/warp/README.md

@@ -16,13 +16,13 @@ Duplicate functions will be removed to save space, any input will always produce
 > - A compatible Binary Ninja with headless usage (see [this documentation](https://docs.binary.ninja/dev/batch.html#batch-processing-and-other-automation-tips) for more information)
 > - Clang
 > - Rust (currently tested for 1.83.0)
-> - Set `DEP_BINARYNINJACORE_PATH` env variable to your install directory (see [here](https://docs.binary.ninja/guide/#binary-path) for more details)
+> - Set `BINARYNINJADIR` env variable to your install directory (see [here](https://docs.binary.ninja/guide/#binary-path) for more details)
 
 1. Clone this repository (`git clone https://github.com/Vector35/binaryninja-api/tree/dev`)
 2. Navigate to this plugin (`cd plugins/warp`)
 3. Build in release (`cargo build --release`)
 
-If compilation fails because it could not link against binaryninjacore than you should double-check you set `DEP_BINARYNINJACORE_PATH` correctly.
+If compilation fails because it could not link against binaryninjacore than you should double-check you set `BINARYNINJADIR` correctly.
 
 Once it finishes you now will have a `sigem` binary in `target/release` for use.