diff --git a/doc/README.services_extension b/doc/README.services_extension
index 2f8074c92b..29b8a7bfa1 100644
--- a/doc/README.services_extension
+++ b/doc/README.services_extension
@@ -156,8 +156,8 @@ See also README.trace_services
 (Alex Peshkov, peshkoff@mail.ru, 2011-2012)
 
 This way of doing backups is specially efficient when one needs to perform
-backup/restore operation for database, located on ther server accessed using
-internet, due to serious performance instrease.
+backup/restore operation for database, located on a server accessed using
+internet, due to serious performance increase.
 
 The simplest way to use this feature is fbsvcmgr. To backup database run
 approximately the following:
diff --git a/src/burp/mvol.cpp b/src/burp/mvol.cpp
index 4645491aec..ece902abdc 100644
--- a/src/burp/mvol.cpp
+++ b/src/burp/mvol.cpp
@@ -117,7 +117,7 @@ FB_UINT64 MVOL_fini_read()
 
 	for (burp_fil* file = tdgbl->gbl_sw_backup_files; file; file = file->fil_next)
 	{
-		if (file->fil_fd == tdgbl->file_desc) 
+		if (file->fil_fd == tdgbl->file_desc)
 		{
 			file->fil_fd = INVALID_HANDLE_VALUE;
 		}
diff --git a/src/burp/split/spit.cpp b/src/burp/split/spit.cpp
index e7bdbae5ce..b7d67ea82d 100644
--- a/src/burp/split/spit.cpp
+++ b/src/burp/split/spit.cpp
@@ -65,10 +65,10 @@ static const int mask		= 0666;
 static DESC open_platf(const char* name, int writeFlag)
 {
 #ifdef WIN_NT
-	return CreateFile(name, writeFlag ? GENERIC_WRITE : GENERIC_READ, 0, NULL, 
-		writeFlag ? CREATE_ALWAYS : OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
+	return CreateFile(name, (writeFlag ? GENERIC_WRITE : GENERIC_READ), 0, NULL,
+		(writeFlag ? CREATE_ALWAYS : OPEN_EXISTING), FILE_ATTRIBUTE_NORMAL, 0);
 #else
-	return open(name, writeFlag ? mode_write : mode_read, mask);
+	return open(name, (writeFlag ? mode_write : mode_read), mask);
 #endif
 }