doc: remove reference to bug count from install.html
Fixes #1574.
R=rsc, r2
CC=golang-dev
https://golang.org/cl/4240066
diff --git a/doc/install.html b/doc/install.html
index 09f5be5..816e6e6 100644
--- a/doc/install.html
+++ b/doc/install.html
@@ -163,8 +163,7 @@
</pre>
<p>
-where <var>N</var> is a number that varies from release to release
-and the details on the last few lines will reflect the operating system,
+where the details on the last few lines reflect the operating system,
architecture, and root directory used during the install.
</p>
