typo fix in command help text
This patch fixes a few typo errors on the command help output
(I am not sure if the change on 'diff' is the best though).
#!/bin/shhg inittouch ahg add ahg ci -m "a" -d "0 0"echo 123 > bhg add bhg diff | sed "s/\(\(---\|+++\) [a-zA-Z0-9_/.-]*\).*/\1/"hg diff -r tip | sed "s/\(\(---\|+++\) [a-zA-Z0-9_/.-]*\).*/\1/"