diff --git a/src/pkg/compress/testdata/Mark.Twain-Tom.Sawyer.txt b/src/pkg/compress/testdata/Mark.Twain-Tom.Sawyer.txt
index 8d0ff4e65c..c97da7eccf 100644
--- a/src/pkg/compress/testdata/Mark.Twain-Tom.Sawyer.txt
+++ b/src/pkg/compress/testdata/Mark.Twain-Tom.Sawyer.txt
@@ -1,4 +1,4 @@
-The Project Gutenberg EBook of The Adventures of Tom Sawyer, Complete
+The Project Gutenberg EBook of The Adventures of Tom Sawyer, Complete
 by Mark Twain (Samuel Clemens)
 
 This eBook is for the use of anyone anywhere at no cost and with