diff --git a/src/testdir/shared.vim b/src/testdir/shared.vim
index 78f204c..e753c1e 100644
--- a/src/testdir/shared.vim
+++ b/src/testdir/shared.vim
@@ -315,6 +315,9 @@
     let args .= ' -S Xafter.vim'
   endif
 
+  " Optionally run Vim under valgrind
+  " let cmd = 'valgrind --tool=memcheck --leak-check=yes --num-callers=25 --log-file=valgrind ' . cmd
+
   exe "silent !" . a:pipecmd . cmd . args . ' ' . a:arguments
 
   if len(a:before) > 0
diff --git a/src/testdir/test49.vim b/src/testdir/test49.vim
index f19b9db..15210b6 100644
--- a/src/testdir/test49.vim
+++ b/src/testdir/test49.vim
@@ -178,7 +178,7 @@
 "		next Xpath value.  No new Xnext value is prepared.  The argument
 "		should be 2^(n-1) for the nth Xloop command inside the loop.
 "		If the loop has only one Xloop command, the argument can be
-"		ommitted (default: 1).
+"		omitted (default: 1).
 "
 "	- Use XloopNEXT before ":continue" and ":endwhile".  This computes a new
 "	  Xnext value for the next execution of the loop by multiplying the old