diff --git a/INSTALL b/INSTALL
index 6796a51d05528ed70a2b2b13f984278374bbb802..a8082161a9b757f8ba5628f58a7a293adc9fb8e1 100644
--- a/INSTALL
+++ b/INSTALL
@@ -118,8 +118,8 @@ Instructions for Manual Build from Source
   All tests should pass, however, a few packages (not selected above) require
   GPU hardware or a database to pass all tests.
 
-- You may want to add the installation path bin/ to your PATH by sourcing (not executing!) the lofarinit script:
+- You may want to add the installation path bin/ to your PATH by sourcing the lofarinit script:
 
-	. "$HOME/local/$LOFAR_RELEASE/lofarinit.sh"  # for Bourne-like shells, or
-	. "$HOME/local/$LOFAR_RELEASE/lofarinit.csh" # for C-like shells
+	source "$HOME/local/$LOFAR_RELEASE/lofarinit.sh"  # for Bourne-like shells, or
+	source "$HOME/local/$LOFAR_RELEASE/lofarinit.csh" # for C-like shells