diff --git a/AUTHORS b/AUTHORS
index 0d5015197..62d959fba 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -104,6 +104,7 @@ The following submitted code, packages or analysis, and deserve special thanks:
   Alexander Sulfrian
   David Binderman
   atomicules
+  catern
 
 Thanks to the following, who submitted detailed bug reports and excellent
 suggestions:
diff --git a/src/TLSClient.cpp b/src/TLSClient.cpp
index b52624536..f64aaeda1 100644
--- a/src/TLSClient.cpp
+++ b/src/TLSClient.cpp
@@ -148,12 +148,12 @@ void TLSClient::init (
 
   if (_ca != "" &&
       gnutls_certificate_set_x509_trust_file (_credentials, _ca.c_str (), GNUTLS_X509_FMT_PEM) < 0)
-    throw std::string ("Missing CA file.");
+    throw std::string ("Bad CA file.");
 
   if (_cert != "" &&
       _key != "" &&
       gnutls_certificate_set_x509_key_file (_credentials, _cert.c_str (), _key.c_str (), GNUTLS_X509_FMT_PEM) < 0)
-    throw std::string ("Missing CERT file.");
+    throw std::string ("Bad CERT file.");
 
 #if GNUTLS_VERSION_NUMBER >= 0x02090a
   // The automatic verification for the server certificate with