diff --git a/thesis/own.gls b/thesis/own.gls
index 455650f..30ac733 100644
--- a/thesis/own.gls
+++ b/thesis/own.gls
@@ -3,7 +3,7 @@
     name={IOMMU},
     long={Input/Output Memory Management Unit},
     first={Input/Output Memory Management Unit (IOMMU)},
-    description={\textsc{\glsentrylong{iommu}:} \todo{write iomu description}}
+    description={\textsc{\glsentrylong{iommu}:} Hardware component responsible for mapping memory addresses for peripheral devices performing Direct Memory Access (DMA). May also provide memory protection mechanisms.}
 }
 
 \newglossaryentry{dsa}{