diff --git a/docs/devel/tcg-plugins.rst b/docs/devel/tcg-plugins.rst
index f93ef4fe52..a7cc44aa20 100644
--- a/docs/devel/tcg-plugins.rst
+++ b/docs/devel/tcg-plugins.rst
@@ -27,13 +27,18 @@ Once built a program can be run with multiple plugins loaded each with
 their own arguments::
 
   $QEMU $OTHER_QEMU_ARGS \
-      -plugin tests/plugin/libhowvec.so,inline=on,count=hint \
-      -plugin tests/plugin/libhotblocks.so
+      -plugin contrib/plugin/libhowvec.so,inline=on,count=hint \
+      -plugin contrib/plugin/libhotblocks.so
 
 Arguments are plugin specific and can be used to modify their
 behaviour. In this case the howvec plugin is being asked to use inline
 ops to count and break down the hint instructions by type.
 
+Linux user-mode emulation also evaluates the environment variable
+``QEMU_PLUGIN``::
+
+  QEMU_PLUGIN="file=contrib/plugins/libhowvec.so,inline=on,count=hint" $QEMU
+
 Writing plugins
 ---------------