diff --git a/hledger/Hledger/Cli/Commands/Help.txt b/hledger/Hledger/Cli/Commands/Help.txt
index eb06d1b30..fb94fdcd8 100644
--- a/hledger/Hledger/Cli/Commands/Help.txt
+++ b/hledger/Hledger/Cli/Commands/Help.txt
@@ -12,12 +12,20 @@ It can be useful when offline, or when you prefer the terminal to a web
 browser, or when the appropriate hledger manual or viewing tools are not
 installed on your system.
 
-By default it chooses the best viewer found in $PATH (preferring info
-since the hledger manual is large). You can select a particular viewer
-with the -i, -m, or -p flags.
+By default it chooses the best viewer found in $PATH, trying (in this
+order): info, man, $PAGER, less, more. You can force the use of info,
+man, or a pager with the -i, -m, or -p flags, If no viewer can be found,
+or the command is run non-interactively, it just prints the manual to
+stdout.
+
+If using info, note that version 6 or greater is needed for TOPIC
+lookup. If you are on mac you will likely have info 4.8, and should
+consider installing a newer version, eg with brew install texinfo
+(#1770).
 
 Examples
 
-$ hledger help --help    # show how the help command works
-$ hledger help           # show the hledger manual with info, man or $PAGER
-$ hledger help journal   # show the journal topic in the hledger manual
+$ hledger help --help      # show how the help command works
+$ hledger help             # show the hledger manual with info, man or $PAGER
+$ hledger help journal     # show the journal topic in the hledger manual
+$ hledger help -m journal  # show it with man, even if info is installed