diff --git a/README.md b/README.md
index 701079a..d3169dd 100644
--- a/README.md
+++ b/README.md
@@ -83,9 +83,15 @@ underlying system architecture is ARM. In this case, you can force the
 library to disable its auto-detect functionality and instead directly specify
 the architecture using the Java ```os.arch_full``` system property. Acceptable
 values for this property are currently one of: ``armv5``, ``armv6``,
-``armv6-hf``, ``armv7``, ``armv7-hf``, ``armv8_32``, ``armv8_64``,
+``armv6-hf``, ``armv7``, ``armv7-hf``, ``armv8_32``, ``armv8_64``, ``ppc64le``,
 ``x86``, or ``x86_64``.
 
+Additionally, some systems may block execution of libraries from the system
+temp folder. If you are experiencing this problem, you can specify a different,
+less restrictive temp folder by adding
+```System.setProperty("java.io.tmpdir", "/folder/where/execution/is/allowed")```
+to your program before the first use of this library.
+
 An additional note for Linux users:  If you are operating this library in
 event-based mode, the ```LISTENING_EVENT_DATA_WRITTEN``` event will never occur.
 This is not a bug, but rather a limitation of the Linux operating system.