2 files changed, 4 insertions, 2 deletions
diff --git a/include/qpdf/QPDF.hh b/include/qpdf/QPDF.hh
index b26fc805..5d3fd651 100644
--- a/include/qpdf/QPDF.hh
+++ b/include/qpdf/QPDF.hh
@@ -773,7 +773,7 @@ class QPDF
     friend class Pipe;
 
   private:
-    static std::string qpdf_version;
+    static std::string const qpdf_version;
 
     class ObjCache
     {
diff --git a/include/qpdf/qpdf-c.h b/include/qpdf/qpdf-c.h
index a6fc82ae..5a0595b2 100644
--- a/include/qpdf/qpdf-c.h
+++ b/include/qpdf/qpdf-c.h
@@ -171,7 +171,9 @@ extern "C" {
     QPDF_DLL
     void qpdf_silence_errors(qpdf_data qpdf);
 
-    /* Returns the version of the qpdf software */
+    /* Returns the version of the qpdf software. This is guaranteed to
+     * be a static value.
+     */
     QPDF_DLL
     char const* qpdf_get_qpdf_version();