Typo in lit command guide



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152702 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CommandGuide/lit.pod b/docs/CommandGuide/lit.pod
index f4289a8..5f1cff3 100644
--- a/docs/CommandGuide/lit.pod
+++ b/docs/CommandGuide/lit.pod
@@ -283,7 +283,7 @@
 
 B<test_exec_root> For out-of-dir builds, the path to the test suite root inside
 the object directory. This is where tests will be run and temporary output files
-places.
+placed.
 
 B<environment> A dictionary representing the environment to use when executing
 tests in the suite.