Remove -j4 from suggested build copmmand.

diff --git a/doc/mainpage.txt b/doc/mainpage.txt
index 81f8a6ee2b5bbc97977cdfaa92dca6451af1d99a..ec1e6ed2df029b2ea9fde59616a54aeadd819981 100644 (file)
--- a/doc/mainpage.txt
+++ b/doc/mainpage.txt
@@ -18,7 +18,7 @@
  * It is build with `waf`, using something like \code
  *
  * ./waf configure --enable-debug --prefix=/opt
- * ./waf -j4
+ * ./waf
  * sudo ./waf install
  *
  * \endcode