Merge pull request #1650 from padarom/patch-1

Fix a single MK3 language typo

lang/lang_en_de.txt

@@ -936,7 +936,7 @@
 
 #MSG_SELFTEST_FAILED c=20
 "Selftest failed  "
-"Selbsttest misslung  "
+"Selbsttest misslang  "
 
 #MSG_FORCE_SELFTEST c=20 r=8
 "Selftest will be run to calibrate accurate sensorless rehoming."