fix two typos in the doc

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@274447 91177308-0d34-0410-b5e6-96231b3b80d8

docs/SourceBasedCodeCoverage.rst

@@ -111,7 +111,7 @@ generate a line-oriented report:
     # Step 3(b): Create a line-oriented coverage report.
     % llvm-cov show ./foo -instr-profile=foo.profdata
 
-To demangle any C++ identifiers in the ouput, use:
+To demangle any C++ identifiers in the output, use:
 
 .. code-block:: console
 

docs/doxygen.cfg.in

@@ -1937,7 +1937,7 @@ PREDEFINED             =
 EXPAND_AS_DEFINED      =
 
 # If the SKIP_FUNCTION_MACROS tag is set to YES then doxygen's preprocessor will
-# remove all refrences to function-like macros that are alone on a line, have an
+# remove all references to function-like macros that are alone on a line, have an
 # all uppercase name, and do not end with a semicolon. Such function macros are
 # typically used for boiler-plate code, and will confuse the parser if not
 # removed.