diff --git a/tools/mpremote/mpremote/commands.py b/tools/mpremote/mpremote/commands.py
index bf56df6999..558cd82f10 100644
--- a/tools/mpremote/mpremote/commands.py
+++ b/tools/mpremote/mpremote/commands.py
@@ -204,7 +204,7 @@ def do_exec(state, args):
 
 def do_eval(state, args):
     buf = "print(" + args.expr[0] + ")"
-    _do_execbuffer(state, buf, args.follow)
+    _do_execbuffer(state, buf, True)
 
 
 def do_run(state, args):
diff --git a/tools/mpremote/mpremote/main.py b/tools/mpremote/mpremote/main.py
index 4f541685a0..988ffe8f60 100644
--- a/tools/mpremote/mpremote/main.py
+++ b/tools/mpremote/mpremote/main.py
@@ -119,30 +119,45 @@ def argparse_mount():
 
 def argparse_repl():
     cmd_parser = argparse.ArgumentParser(description="connect to given device")
-    cmd_parser.add_argument("--capture", type=str, required=False, help="TODO")
-    cmd_parser.add_argument("--inject-code", type=str, required=False, help="TODO")
-    cmd_parser.add_argument("--inject-file", type=str, required=False, help="TODO")
+    cmd_parser.add_argument(
+        "--capture",
+        type=str,
+        required=False,
+        help="saves a copy of the REPL session to the specified path",
+    )
+    cmd_parser.add_argument(
+        "--inject-code", type=str, required=False, help="code to be run when Ctrl-J is pressed"
+    )
+    cmd_parser.add_argument(
+        "--inject-file",
+        type=str,
+        required=False,
+        help="path to file to be run when Ctrl-K is pressed",
+    )
     return cmd_parser
 
 
 def argparse_eval():
     cmd_parser = argparse.ArgumentParser(description="evaluate and print the string")
-    _bool_flag(cmd_parser, "follow", "f", True, "TODO")
     cmd_parser.add_argument("expr", nargs=1, help="expression to execute")
     return cmd_parser
 
 
 def argparse_exec():
     cmd_parser = argparse.ArgumentParser(description="execute the string")
-    _bool_flag(cmd_parser, "follow", "f", True, "TODO")
+    _bool_flag(
+        cmd_parser, "follow", "f", True, "follow output until the expression completes (default)"
+    )
     cmd_parser.add_argument("expr", nargs=1, help="expression to execute")
     return cmd_parser
 
 
 def argparse_run():
     cmd_parser = argparse.ArgumentParser(description="run the given local script")
-    _bool_flag(cmd_parser, "follow", "f", False, "TODO")
-    cmd_parser.add_argument("path", nargs=1, help="expression to execute")
+    _bool_flag(
+        cmd_parser, "follow", "f", True, "follow output until the script completes (default)"
+    )
+    cmd_parser.add_argument("path", nargs=1, help="path to script to execute")
     return cmd_parser
 
 
diff --git a/tools/mpremote/mpremote/repl.py b/tools/mpremote/mpremote/repl.py
index 7da00c0fde..3d6ca1881b 100644
--- a/tools/mpremote/mpremote/repl.py
+++ b/tools/mpremote/mpremote/repl.py
@@ -61,6 +61,7 @@ def do_repl(state, args):
         print('Capturing session to file "%s"' % capture_file)
         capture_file = open(capture_file, "wb")
     if code_to_inject is not None:
+        code_to_inject = bytes(code_to_inject.replace("\\n", "\r\n"), "utf8")
         print("Use Ctrl-J to inject", code_to_inject)
     if file_to_inject is not None:
         print('Use Ctrl-K to inject file "%s"' % file_to_inject)