1 files changed, 1 insertions, 1 deletions
diff --git a/Source/cmState.h b/Source/cmState.h
index d9d2c21..1ebd79a 100644
--- a/Source/cmState.h
+++ b/Source/cmState.h
@@ -254,7 +254,7 @@ public:
 private:
   friend class cmake;
   void AddCacheEntry(const std::string& key, cmValue value,
-                     const char* helpString,
+                     const std::string& helpString,
                      cmStateEnums::CacheEntryType type);
 
   bool DoWriteGlobVerifyTarget() const;