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-rw-r--r--lib/irb/lc/help-message1
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diff --git a/lib/irb/lc/help-message b/lib/irb/lc/help-message
index 42e861a343..efc00bf148 100644
--- a/lib/irb/lc/help-message
+++ b/lib/irb/lc/help-message
@@ -14,6 +14,7 @@ Usage: irb.rb [options] [programfile] [arguments]
-m Bc mode (load mathn, fraction or matrix are available)
-d Set $DEBUG to true (same as `ruby -d')
-r load-module Same as `ruby -r'
+ -I path Specify $LOAD_PATH directory
--inspect Use `inspect' for output (default except for bc mode)
--noinspect Don't use inspect for output
--readline Use Readline extension module