2017-08-19: shorten note tip

shorten note

diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ Usage
 * Get wisp: `hg clone http://draketo.de/proj/wisp` (needs [Mercurial](http://mercurial-scm.org))
 * Bootstrap: `cd wisp && autoreconf -i && ./configure && make`
 * Preprocess files: `guile ./wisp.scm infile.wisp > outfile.scm`
-* Wisp at the REPL: `guile -L . --language=wisp # run this in the wisp-folder`
+* Wisp at the REPL: `guile -L . --language=wisp # in the wisp-folder`
 
 Install systemwide with `./configure --datarootdir=/usr/share && sudo make install`, then you can run `guile --language=wisp` anywhere. Install in your home folder with `./configure --prefix=$HOME/.local; make install`. Use `guile -c '(import (language wisp spec))'` to get rid of auto-compile errors.