diff --git a/include/LHAPDF/PDFIndex.h b/include/LHAPDF/PDFIndex.h
--- a/include/LHAPDF/PDFIndex.h
+++ b/include/LHAPDF/PDFIndex.h
@@ -1,48 +1,48 @@
 // -*- C++ -*-
 //
 // This file is part of LHAPDF
 // Copyright (C) 2012-2016 The LHAPDF collaboration (see AUTHORS for details)
 //
 #pragma once
 #ifndef LHAPDF_PDFIndex_H
 #define LHAPDF_PDFIndex_H
 
 #include "LHAPDF/Utils.h"
 
 namespace LHAPDF {
 
 
   /// @name Functions for PDF lookup by LHAPDF ID index file
   //@{
 
   /// Get the singleton LHAPDF set ID -> PDF index map
   std::map<int, std::string>& getPDFIndex();
 
   /// Look up a PDF set name and member ID by the LHAPDF ID code
   ///
   /// The set name and member ID are returned as an std::pair.
   /// If lookup fails, a pair ("", -1) is returned.
   std::pair<std::string, int> lookupPDF(int lhaid);
 
   /// @brief Decode a single PDF member ID string into a setname,memid pair
   ///
-  /// @note A trivial <SET,MEM> decoding rather than a "rea; lookup", for convenience & uniformity.
-  std::pair<std::string,int> lookupPDF(const std::string& pdfstr);
+  /// @note A trivial <SET,MEM> decoding rather than a "real lookup", for convenience & uniformity.
+  std::pair<std::string, int> lookupPDF(const std::string& pdfstr);
 
   /// Look up the member's LHAPDF index from the set name and member ID.
   ///
   /// If lookup fails, -1 is returned, otherwise the LHAPDF ID code.
   /// NB. This function is relatively slow, since it requires std::map reverse lookup.
   int lookupLHAPDFID(const std::string& setname, int nmem);
 
   /// Look up the member's LHAPDF index from a setname/member string.
   inline int lookupLHAPDFID(const std::string& setname_nmem) {
     const std::pair<string,int> idpair = lookupPDF(setname_nmem);
     return lookupLHAPDFID(idpair.first, idpair.second);
   }
 
   //@}
 
 
 }
 #endif