diff --git a/builds/install/misc/firebird.conf b/builds/install/misc/firebird.conf
index 75130ada9b..391d613afb 100644
--- a/builds/install/misc/firebird.conf
+++ b/builds/install/misc/firebird.conf
@@ -449,7 +449,7 @@
 # through any other network interface except this one. By default,
 # connections from any available network interface are allowed.
 # If you are using Classic Server, this setting is for Windows only.
-# Under Linux, BSD or MacOsX, with Classic server use xinetd or launchd
+# Under Linux, BSD or Mac OS X, with Classic server use xinetd or launchd
 # configuration file (bind parameter)
 #
 # Type: string