Clean up comments in tools.

tools/tools.go

@@ -1,13 +1,11 @@
 // +build tools
 
-// 	This file ensures tool dependencies are kept in sync.  This is the recommended way of doing this according to
-//  https://github.com/golang/go/wiki/Modules#how-can-i-track-tool-dependencies-for-a-module
-//
-// 	To update the versions used by this repo use.
-// 	% go mod tidy
-//
-//  To install the following tools at the version used by this repo run
-//  % go install (each of the dependencies listed below)
+// This file ensures tool dependencies are kept in sync.  This is the recommended way of doing this according to
+// https://github.com/golang/go/wiki/Modules#how-can-i-track-tool-dependencies-for-a-module
+// To update the versions used by this repo use:
+// $ go mod tidy
+// To install the following tools at the version used by this repo run:
+// $ go install (each of the dependencies listed below)
 
 package tools