diff --git a/MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.c b/MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.c
index 577eccd25f..65511a9a9a 100644
--- a/MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.c
+++ b/MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.c
@@ -229,7 +229,7 @@ EhcDumpBuf (
 }
 
 /**
-  Dump the EHCI status registers
+  Dump the EHCI status registers.
 
   @param  Ehc    USB EHCI Host Controller instance
 
diff --git a/MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.h b/MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.h
index 01f6e5e2a9..43ca45b4c8 100644
--- a/MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.h
+++ b/MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.h
@@ -62,7 +62,7 @@ EhcDumpBuf (
 
 
 /**
-  Dump the EHCI status registers
+  Dump the EHCI status registers.
 
   @param  Ehc    USB EHCI Host Controller instance