diff --git a/template/unicode_norm_gen.tmpl b/template/unicode_norm_gen.tmpl
index 64acfc8d18..f83fc2d0cd 100644
--- a/template/unicode_norm_gen.tmpl
+++ b/template/unicode_norm_gen.tmpl
@@ -5,7 +5,7 @@
 # Script to generate Ruby data structures used in implementing
 # String#unicode_normalize,...
 
-# Constants for input and ouput directory
+# Constants for input and output directory
 InputDataDir = ARGV[0] || 'enc/unicode/data'
 unicode_version = InputDataDir[/.*\/(\d+\.\d+\.\d+)(?=\/|\z)/, 1]