update comment

templates/shutter.substitutions

@@ -22,8 +22,8 @@ file "$(sinqSPS_DB)/readbit.db"
 
 # The way that the strings are currently implemented in the SPS, the first two
 # bytes are the maximum length of the string and the size of the current string
-# in the register. The epics driver doesn't seem to handle this currently, so
-# we add two to the offset to skip these bytes.
+# in the register.
+
 file "$(sinqSPS_DB)/readstring.db"
 {
   pattern