diff --git a/lib/preprocessor.cpp b/lib/preprocessor.cpp
index d9bd7a677..94084664d 100644
--- a/lib/preprocessor.cpp
+++ b/lib/preprocessor.cpp
@@ -2378,7 +2378,9 @@ void Preprocessor::missingInclude(const std::string &filename, unsigned int line
                 locationList.push_back(loc);
             }
             ErrorLogger::ErrorMessage errmsg(locationList, Severity::information,
-                                             (headerType==SystemHeader) ? "Include file: <" + header + "> not found." : "Include file: \"" + header + "\" not found.",
+                                             (headerType==SystemHeader) ?
+                                             "Include file: <" + header + "> not found. Please note: Cppcheck does not need standard library headers to get proper results." :
+                                             "Include file: \"" + header + "\" not found.",
                                              msgtype, false);
             errmsg.file0 = file0;
             _errorLogger->reportInfo(errmsg);
diff --git a/test/testpreprocessor.cpp b/test/testpreprocessor.cpp
index c21dfe5f2..fe03b02b8 100644
--- a/test/testpreprocessor.cpp
+++ b/test/testpreprocessor.cpp
@@ -3559,7 +3559,7 @@ private:
             errout.str("");
             settings.checkConfiguration = true;
             preprocessor.handleIncludes(code,"test.c",includePaths,defs,pragmaOnce,std::list<std::string>());
-            ASSERT_EQUALS("[test.c:1]: (information) Include file: <missing-include!!.h> not found.\n", errout.str());
+            ASSERT_EQUALS("[test.c:1]: (information) Include file: <missing-include!!.h> not found. Please note: Cppcheck does not need standard library headers to get proper results.\n", errout.str());
 
             pragmaOnce.clear();
             errout.str("");