1 files changed, 4 insertions, 2 deletions
diff --git a/string.c b/string.c
index f4519ea425..cf9d1c7aac 100644
--- a/string.c
+++ b/string.c
@@ -7684,7 +7684,8 @@ lstrip_offset(VALUE str, const char *s, const char *e, rb_encoding *enc)
  *
  *  Refer to <code>strip</code> for the definition of whitespace.
  *
- *     "  hello  ".lstrip   #=> "hello  "
+ *     "  hello  ".lstrip!  #=> "hello  "
+ *     "hello  ".lstrip!    #=> nil
  *     "hello".lstrip!      #=> nil
  */
 
@@ -7773,7 +7774,8 @@ rstrip_offset(VALUE str, const char *s, const char *e, rb_encoding *enc)
  *
  *  Refer to <code>strip</code> for the definition of whitespace.
  *
- *     "  hello  ".rstrip   #=> "  hello"
+ *     "  hello  ".rstrip!  #=> "  hello"
+ *     "  hello".rstrip!    #=> nil
  *     "hello".rstrip!      #=> nil
  */