added some comments to print3

stdlib_candidate/print.nu

@@ -41,9 +41,12 @@ def print2 [
     }
 }
 
+# A print command that concatenates arguments together with an optional separator.
+# This print command will also concatenate tables like [1 2 3] as well as most other primitives
+# since the str from command has been updated with wider support.
 def print3 [
     --separator(-s):any     # Optional separator (not yet flagged as optional?)
-    --flat(-f)              # If tables are found, flatten them
+    --flat(-f)               # If tables are found, flatten them
     ...rest                 # All of the parameters
     ] {
     let sep_empty = $(= $separator | empty?)