Use 'must' instead of 'should' in reference to switch for pyro battery

Make this consistent with docs for other boards.

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/doc/easymini-device.inc b/doc/easymini-device.inc
index b7af82f2ee8f28506e650c454cff7d3afe289cc5..d82a26075b17ac0d7320f9cd18bf6847124b2969 100644 (file)
--- a/doc/easymini-device.inc
+++ b/doc/easymini-device.inc
@@ -97,7 +97,7 @@
                Connecting the switched positive battery terminal to the pyro
                charges must be done separate from EasyMini, by soldering
                them together or using some other connector.  Note that for
-               safety, you should put a switch between the pyro battery and
+               safety, you must put a switch between the pyro battery and
                the rest of the circuit!
 
                The other lead from each pyro charge is then inserted into