Run section updated

README.md

@@ -106,7 +106,7 @@ Run MDI version:
 
 Symbolic link to this script can be created to run from any directory:
 
-	ln -s `readlink -f run-BlackBox` ~/bin/blackbox
+	mkdir -p ~/bin && ln -s `readlink -f run-BlackBox` ~/bin/blackbox
 
 And then BlackBox Component Builder (GUI) can be run with *blackbox* command from anywhere.
 The current directory will be used as a BlackBox *secondary* directory.
@@ -123,7 +123,7 @@ The current directory will be used as a BlackBox *secondary* directory.
 
 Symbolic link to this script can be created to run from any directory:
 
-	ln -s `readlink -f run-BlackBox` ~/bin/blackbox-cli
+	mkdir -p ~/bin && ln -s `readlink -f run-BlackBox` ~/bin/blackbox-cli
 
 And then BlackBox Component Builder (command line interpreter) can be run with *blackbox-cli* command from anywhere.
 The current directory will be used as a BlackBox *secondary* directory.