Index: chapter06/grep.xml
===================================================================
--- chapter06/grep.xml (revision 90af5870fa4837c66e181a62e9494fb44180d2d8)
+++ chapter06/grep.xml (revision d4957612113483fadccfac3c243f51848e1d8a14)
@@ -51,5 +51,5 @@
To test the results, issue:
-make -k check
+make check
Install the package: