Updates requested in the PR.

Author: marek-trtik

src/summaries/summary_dump.cpp

@@ -801,7 +801,7 @@ std::string  dump_goto_program_in_html(
   if(!ordered_declarations.empty())
   {
     ostr
-      << "<h3>Listing of functions without bodies (declared only)</h3>\n"
+      << "<h3>Listing of functions without bodies (undefined references)</h3>\n"
       << "<table>\n"
       << "  <caption>There are "
       << ordered_declarations.size()
@@ -954,7 +954,7 @@ std::string  dump_goto_functions_in_html(
   if(!ordered_declarations.empty())
   {
     ostr
-      << "<h3>Listing of functions without bodies (declared only)</h3>\n"
+      << "<h3>Listing of functions without bodies (undefined references)</h3>\n"
       << "<table>\n"
       << "  <caption>There are "
       << ordered_declarations.size()