diff --git a/include/podio/ROOTFrameReader.h b/include/podio/ROOTFrameReader.h
index 39d4c904b..d3f8f30b1 100644
--- a/include/podio/ROOTFrameReader.h
+++ b/include/podio/ROOTFrameReader.h
@@ -4,7 +4,7 @@
 #include "podio/ROOTReader.h"
 
 namespace podio {
-using ROOTFrameReader [[deprecated("Will be removed in v1.0 switch podio::ROOTReader")]] = podio::ROOTReader;
+using ROOTFrameReader [[deprecated("Will be removed in v1.0, switch to podio::ROOTReader")]] = podio::ROOTReader;
 }
 
 #endif // PODIO_ROOTFRAMEREADER_H
diff --git a/include/podio/ROOTFrameWriter.h b/include/podio/ROOTFrameWriter.h
index a7fb3edda..1c698a733 100644
--- a/include/podio/ROOTFrameWriter.h
+++ b/include/podio/ROOTFrameWriter.h
@@ -4,7 +4,7 @@
 #include "podio/ROOTWriter.h"
 
 namespace podio {
-using ROOTFrameWriter [[deprecated("Will be removed in v1.0 switch podio::ROOTWriter")]] = podio::ROOTWriter;
+using ROOTFrameWriter [[deprecated("Will be removed in v1.0, switch to podio::ROOTWriter")]] = podio::ROOTWriter;
 }
 
 #endif // PODIO_ROOTFRAMEWRITER_H
diff --git a/include/podio/SIOFrameReader.h b/include/podio/SIOFrameReader.h
index eafc383a9..bde030048 100644
--- a/include/podio/SIOFrameReader.h
+++ b/include/podio/SIOFrameReader.h
@@ -4,7 +4,7 @@
 #include "podio/SIOReader.h"
 
 namespace podio {
-using SIOFrameReader [[deprecated("Will be removed in v1.0 switch podio::SIOReader")]] = podio::SIOReader;
+using SIOFrameReader [[deprecated("Will be removed in v1.0, switch to podio::SIOReader")]] = podio::SIOReader;
 }
 
 #endif // PODIO_SIOFRAMEREADER_H
diff --git a/include/podio/SIOFrameWriter.h b/include/podio/SIOFrameWriter.h
index 85b4da8d2..8388f0a4d 100644
--- a/include/podio/SIOFrameWriter.h
+++ b/include/podio/SIOFrameWriter.h
@@ -4,7 +4,7 @@
 #include "podio/SIOWriter.h"
 
 namespace podio {
-using SIOFrameWriter [[deprecated("Will be removed in v1.0 switch podio::SIOWriter")]] = podio::SIOWriter;
+using SIOFrameWriter [[deprecated("Will be removed in v1.0, switch to podio::SIOWriter")]] = podio::SIOWriter;
 }
 
 #endif // PODIO_SIOFRAMEWRITER_H