Fix typos found by http://github.com/lyda/misspell-check

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157885 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CommandGuide/lit.rst b/docs/CommandGuide/lit.rst
index 0073ebe..3eb0be9 100644
--- a/docs/CommandGuide/lit.rst
+++ b/docs/CommandGuide/lit.rst
@@ -442,7 +442,7 @@
 ... log message ...
 <log delineator>
 
-where <test name> should be the name of a preceeding reported test, <log
+where <test name> should be the name of a preceding reported test, <log
 delineator> is a string of '\*' characters *at least* four characters long (the
 recommended length is 20), and <trailing delineator> is an arbitrary (unparsed)
 string.
diff --git a/docs/CommandGuide/llvm-build.rst b/docs/CommandGuide/llvm-build.rst
index 0fe32c6..f788f7c 100644
--- a/docs/CommandGuide/llvm-build.rst
+++ b/docs/CommandGuide/llvm-build.rst
@@ -61,7 +61,7 @@
  Write out new *LLVMBuild.txt* files based on the loaded components. This is
  useful for auto-upgrading the schema of the files. **llvm-build** will try to a
  limited extent to preserve the comments which were written in the original
- source file, although at this time it only preserves block comments that preceed
+ source file, although at this time it only preserves block comments that precede
  the section names in the *LLVMBuild* files.