diff --git a/lib/settings.h b/lib/settings.h
index 1c9aaefd1..c89a44166 100644
--- a/lib/settings.h
+++ b/lib/settings.h
@@ -181,7 +181,7 @@ public:
     bool reportProgress;
 
     /**
-     * @brief Is there any #if configurations in the source code?
+     * @brief Is there any preprocessor configurations in the source code?
      * As usual, include guards are not counted.
      */
     bool ifcfg;
diff --git a/lib/tokenize.h b/lib/tokenize.h
index 47b4e5afc..ae1a53fa9 100644
--- a/lib/tokenize.h
+++ b/lib/tokenize.h
@@ -77,7 +77,8 @@ public:
      *
      * @param FileName The filename
      * @param configuration E.g. "A" for code where "#ifdef A" is true
-     * @return false if Source code contains syntax errors
+     * @param preprocessorCondition Set this flag to true if the code is a preprocessor condition. It disables some simplifications
+     * @return false if source code contains syntax errors
      */
     bool tokenize(std::istream &code,
                   const char FileName[],