Typo in range.janet

Just a small typo I found the comment of range.janet.

examples/range.janet

@@ -1,4 +1,4 @@
-(range 10) # -> @[0 1 2 3 4  6 7 8 9]
+(range 10) # -> @[0 1 2 3 4 5 6 7 8 9]
 (range 5 10) # -> @[5 6 7 8 9]
 (range 5 10 2) # -> @[5 7 9]
 (range 5 11 2) # -> @[5 7 9]