diff --git a/Redis/include/Poco/Redis/Redis.h b/Redis/include/Poco/Redis/Redis.h
index 04c64fe48..969a146a1 100644
--- a/Redis/include/Poco/Redis/Redis.h
+++ b/Redis/include/Poco/Redis/Redis.h
@@ -28,7 +28,7 @@
 //
 // The following block is the standard way of creating macros which make exporting
 // from a DLL simpler. All files within this DLL are compiled with the Redis_EXPORTS
-// symbol defined on the command line. this symbol should not be defined on any project
+// symbol defined on the command line. This symbol should not be defined on any project
 // that uses this DLL. This way any other project whose source files include this file see
 // Redis_API functions as being imported from a DLL, wheras this DLL sees symbols
 // defined with this macro as being exported.