diff --git a/mediachanger/AcsProxy.hpp b/mediachanger/AcsProxy.hpp
index 2de9d9d0f06b29b708c037e99ed09acf956a5dea..12c28e0a12c109bc4a5a6370f6ed628f8684bed0 100644
--- a/mediachanger/AcsProxy.hpp
+++ b/mediachanger/AcsProxy.hpp
@@ -29,7 +29,7 @@ namespace cta {
 namespace mediachanger {
 
 /**
- * Concrete class providing a ZMQ implementation of an AcsProxy.
+ * A ZMQ media changer proxy.
  */
 class AcsProxy: public MediaChangerProxy {
 public:
diff --git a/mediachanger/RmcProxy.hpp b/mediachanger/RmcProxy.hpp
index 651304de294b62354bcb54510d23770da9551823..ff7e40bf4bac5e2275d596046a426cc9f810fd99 100644
--- a/mediachanger/RmcProxy.hpp
+++ b/mediachanger/RmcProxy.hpp
@@ -53,7 +53,7 @@ namespace cta {
 namespace mediachanger {
 
 /**
- * A concrete implementation of the interface to the rmc daemon.
+ * A SCSI media changer proxy.
  */
 class RmcProxy: public MediaChangerProxy {
 public: