diff --git a/README.md b/README.md
index 3534855..5812350 100644
--- a/README.md
+++ b/README.md
@@ -202,5 +202,8 @@ Brightness, zoom, focus, etc, can be adjusted
 				3: Aperture Priority Mode
          exposure_auto_priority 0x009a0903 (bool)   : default=0 value=1
 ```
-Then adjust the value:
-> `v4l2-ctl -c <option>=<value>`
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+Then adjust the value
+> `v4l2-ctl -c <option>=<value>`
+
+See used GPU memory
+> `sudo vcdbg reloc`
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