Misc. comment typos

Found via `codespell`

Help/command/macro.rst

@@ -83,7 +83,7 @@ with a macro.  This has a number of consequences, as explained in
 the :ref:`Argument Caveats` section below.
 
 Another difference between macros and functions is the control flow.
-A function is executed by transfering control from the calling
+A function is executed by transferring control from the calling
 statement to the function body.  A macro is executed as if the macro
 body were pasted in place of the calling statement.  This has the
 consequence that a :command:`return()` in a macro body does not

Source/cmExtraEclipseCDT4Generator.cxx

@@ -714,7 +714,7 @@ void cmExtraEclipseCDT4Generator::CreateCProjectFile() const
     xml.Attribute("path", p);
     xml.EndElement();
 
-    // exlude source directory from output search path
+    // exclude source directory from output search path
     // - only if not named the same as an output directory
     if (!cmSystemTools::FileIsDirectory(
           std::string(this->HomeOutputDirectory + "/" + p))) {