doc: update doc on Debug.print (#675)

to mention canister logs

fixes issue #673

src/Debug.mo

@@ -9,8 +9,9 @@ import Prim "mo:⛔";
 module {
   /// Prints `text` to output stream.
   ///
-  /// NOTE: The output is placed in the replica log. When running on mainnet,
-  /// this function has no effect.
+  /// NOTE: When running on an ICP network, all output is written to the [canister log](https://internetcomputer.org/docs/current/developer-docs/smart-contracts/maintain/logs) with the exclusion of any output
+  /// produced during the execution of non-replicated queries and composite queries.
+  /// In other environments, like the interpreter and stand-alone wasm engines, the output is written to standard out.  
   ///
   /// ```motoko include=import
   /// Debug.print "Hello New World!";