(libparser.tex): Fix typo found by Mark Hammond.

Doc/lib/libparser.tex

@@ -555,7 +555,7 @@ Hence, most of the functionality of the public classes can be
 implemented in a common base class, \code{SuiteInfoBase}, with the
 accessors for function and method information provided elsewhere.
 Note that there is only one class which represents function and method
-information; this paralels the use of the \code{def} statement to
+information; this parallels the use of the \code{def} statement to
 define both types of elements.
 
 Most of the accessor functions are declared in \code{SuiteInfoBase}

Doc/libparser.tex

@@ -555,7 +555,7 @@ Hence, most of the functionality of the public classes can be
 implemented in a common base class, \code{SuiteInfoBase}, with the
 accessors for function and method information provided elsewhere.
 Note that there is only one class which represents function and method
-information; this paralels the use of the \code{def} statement to
+information; this parallels the use of the \code{def} statement to
 define both types of elements.
 
 Most of the accessor functions are declared in \code{SuiteInfoBase}