diff --git a/gtk2_ardour/about.cc b/gtk2_ardour/about.cc
index 46d09f9439..70884396bd 100644
--- a/gtk2_ardour/about.cc
+++ b/gtk2_ardour/about.cc
@@ -197,7 +197,7 @@ static const char* translators[] = {
 
 static const char* gpl = X_("\n\
 Ardour comes with NO WARRANTY. It is free software, and you are welcome to redistribute it\n\
-under the terms of the GNU Public License, shown below.\n\
+under the terms of the GNU General Public License, shown below.\n\
 \n\
 		    GNU GENERAL PUBLIC LICENSE\n\
 		       Version 2, June 1991\n\
diff --git a/gtk2_ardour/po/el.po b/gtk2_ardour/po/el.po
index 59af2b084c..247b5110e0 100644
--- a/gtk2_ardour/po/el.po
+++ b/gtk2_ardour/po/el.po
@@ -6497,7 +6497,7 @@ msgstr "Κανάλι με αυτό το όνομα ήδη υπάρχει"
 #~ msgstr "KeyboardTarget: δεν ευρέθη μετάφραση για \"%1\""
 #~ msgid "KeyboardTarget: unknown action \"%1\""
 #~ msgstr "KeyboardTarget: άγνωστη ενέργεια \"%1\""
-#~ msgid "misformed binding node - ignored"
+#~ msgid "malformed binding node - ignored"
 #~ msgstr "παραμορφωμένος πομπός δεσμού - αγνοήθηκε"
 #~ msgid "ardour: soundfile selector"
 #~ msgstr "ardour: επιλογέας Soundfiles"
diff --git a/gtk2_ardour/po/pt_PT.po b/gtk2_ardour/po/pt_PT.po
index cadb6d7eb8..a9b194c42b 100644
--- a/gtk2_ardour/po/pt_PT.po
+++ b/gtk2_ardour/po/pt_PT.po
@@ -6087,7 +6087,7 @@ msgstr "Já existe uma faixa com este nome"
 #~ msgid "KeyboardTarget: unknown action \"%1\""
 #~ msgstr "KeyboardTarget: acção desconhecida \"%1\""
 
-#~ msgid "misformed binding node - ignored"
+#~ msgid "malformed binding node - ignored"
 #~ msgstr "combinação mal formada - ignorada"
 
 #~ msgid "ardour: soundfile selector"
diff --git a/libs/ardour/named_selection.cc b/libs/ardour/named_selection.cc
index 922cd798aa..9182e1ec68 100644
--- a/libs/ardour/named_selection.cc
+++ b/libs/ardour/named_selection.cc
@@ -88,7 +88,7 @@ NamedSelection::NamedSelection (Session& session, const XMLNode& node)
 				warning << string_compose (_("Chunk %1 uses an unknown playlist \"%2\""), name, property->value()) << endmsg;
 			}
 		} else {
-			error << string_compose (_("Chunk %1 contains misformed playlist information"), name) << endmsg;
+			error << string_compose (_("Chunk %1 contains malformed playlist information"), name) << endmsg;
 			throw failed_constructor();
 		}
 	}
diff --git a/libs/ardour/po/el.po b/libs/ardour/po/el.po
index e0b74b31a2..d6c0d768ac 100644
--- a/libs/ardour/po/el.po
+++ b/libs/ardour/po/el.po
@@ -931,7 +931,7 @@ msgid "Chunk %1 uses an unknown playlist \"%2\""
 msgstr "Το κομμάτι %1 χρησιμοποιεί άγνωστη λίστα αναπαρ/γής \"%2\""
 
 #: libs/ardour/named_selection.cc:80
-msgid "Chunk %1 contains misformed playlist information"
+msgid "Chunk %1 contains malformed playlist information"
 msgstr "Το κομμάτι %1 περιέχει δύσμορφες πληροφορίες για τη λίστα αναπαρ/γής"
 
 #: libs/ardour/panner.cc:256
diff --git a/libs/ardour/po/es.po b/libs/ardour/po/es.po
index 695a3882cf..575ea325ff 100644
--- a/libs/ardour/po/es.po
+++ b/libs/ardour/po/es.po
@@ -837,7 +837,7 @@ msgid "Chunk %1 uses an unknown playlist \"%2\""
 msgstr ""
 
 #: libs/ardour/named_selection.cc:91
-msgid "Chunk %1 contains misformed playlist information"
+msgid "Chunk %1 contains malformed playlist information"
 msgstr ""
 
 #: libs/ardour/panner.cc:256
diff --git a/libs/ardour/po/eu.po b/libs/ardour/po/eu.po
index dd1931bb2c..4c04519a07 100644
--- a/libs/ardour/po/eu.po
+++ b/libs/ardour/po/eu.po
@@ -823,7 +823,7 @@ msgid "Chunk %1 uses an unknown playlist \"%2\""
 msgstr ""
 
 #: libs/ardour/named_selection.cc:91
-msgid "Chunk %1 contains misformed playlist information"
+msgid "Chunk %1 contains malformed playlist information"
 msgstr ""
 
 #: libs/ardour/panner.cc:257
diff --git a/libs/ardour/po/fr.po b/libs/ardour/po/fr.po
index 11a8498ce6..e93b63894c 100644
--- a/libs/ardour/po/fr.po
+++ b/libs/ardour/po/fr.po
@@ -832,7 +832,7 @@ msgid "Chunk %1 uses an unknown playlist \"%2\""
 msgstr ""
 
 #: libs/ardour/named_selection.cc:91
-msgid "Chunk %1 contains misformed playlist information"
+msgid "Chunk %1 contains malformed playlist information"
 msgstr ""
 
 #: libs/ardour/panner.cc:257
diff --git a/libs/ardour/po/it.po b/libs/ardour/po/it.po
index 845bbeb666..8bf120a6d5 100644
--- a/libs/ardour/po/it.po
+++ b/libs/ardour/po/it.po
@@ -950,7 +950,7 @@ msgid "Chunk %1 uses an unknown playlist \"%2\""
 msgstr "Lo spezzone %1 usa una playlist sconosciuta \"%2\""
 
 #: libs/ardour/named_selection.cc:80
-msgid "Chunk %1 contains misformed playlist information"
+msgid "Chunk %1 contains malformed playlist information"
 msgstr "Lo spezzone %1 contiene informazioni sulla playlist mal formate"
 
 #: libs/ardour/panner.cc:256
diff --git a/libs/ardour/po/nn.po b/libs/ardour/po/nn.po
index f79e125aa7..9d90ba94ed 100644
--- a/libs/ardour/po/nn.po
+++ b/libs/ardour/po/nn.po
@@ -836,7 +836,7 @@ msgid "Chunk %1 uses an unknown playlist \"%2\""
 msgstr "Beten %1 bruker ei ukjend speleliste, \"%2\""
 
 #: libs/ardour/named_selection.cc:91
-msgid "Chunk %1 contains misformed playlist information"
+msgid "Chunk %1 contains malformed playlist information"
 msgstr "Beten %1 inneheld feilforma spelelisteinformasjon"
 
 #: libs/ardour/panner.cc:256
diff --git a/libs/ardour/po/pl.po b/libs/ardour/po/pl.po
index 590b95a586..54b36630dc 100644
--- a/libs/ardour/po/pl.po
+++ b/libs/ardour/po/pl.po
@@ -830,7 +830,7 @@ msgid "Chunk %1 uses an unknown playlist \"%2\""
 msgstr ""
 
 #: libs/ardour/named_selection.cc:91
-msgid "Chunk %1 contains misformed playlist information"
+msgid "Chunk %1 contains malformed playlist information"
 msgstr ""
 
 #: libs/ardour/panner.cc:253
diff --git a/libs/ardour/po/ru.po b/libs/ardour/po/ru.po
index 0e62956553..50421ec893 100644
--- a/libs/ardour/po/ru.po
+++ b/libs/ardour/po/ru.po
@@ -821,7 +821,7 @@ msgid "Chunk %1 uses an unknown playlist \"%2\""
 msgstr ""
 
 #: libs/ardour/named_selection.cc:91
-msgid "Chunk %1 contains misformed playlist information"
+msgid "Chunk %1 contains malformed playlist information"
 msgstr ""
 
 #: libs/ardour/panner.cc:253
diff --git a/libs/ardour/po/sv.po b/libs/ardour/po/sv.po
index 4907025197..ae69816dad 100644
--- a/libs/ardour/po/sv.po
+++ b/libs/ardour/po/sv.po
@@ -893,7 +893,7 @@ msgid "Chunk %1 uses an unknown playlist \"%2\""
 msgstr ""
 
 #: libs/ardour/named_selection.cc:80
-msgid "Chunk %1 contains misformed playlist information"
+msgid "Chunk %1 contains malformed playlist information"
 msgstr ""
 
 #: libs/ardour/panner.cc:211
diff --git a/libs/rubberband/src/FFT.cpp b/libs/rubberband/src/FFT.cpp
index 98201350a2..a2e50ec33f 100644
--- a/libs/rubberband/src/FFT.cpp
+++ b/libs/rubberband/src/FFT.cpp
@@ -1199,7 +1199,7 @@ FFT::FFT(int size, int debugLevel)
     switch (m_method) {
 
     case 0:
-        std::cerr << "FFT::FFT(" << size << "): WARNING: Selected implemention not available" << std::endl;
+        std::cerr << "FFT::FFT(" << size << "): WARNING: Selected implementation not available" << std::endl;
 #ifdef USE_BUILTIN_FFT
         d = new FFTs::D_Cross(size);
 #else
@@ -1216,7 +1216,7 @@ FFT::FFT(int size, int debugLevel)
         }
         d = new FFTs::D_FFTW(size);
 #else
-        std::cerr << "FFT::FFT(" << size << "): WARNING: Selected implemention not available" << std::endl;
+        std::cerr << "FFT::FFT(" << size << "): WARNING: Selected implementation not available" << std::endl;
 #ifdef USE_BUILTIN_FFT
         d = new FFTs::D_Cross(size);
 #else
@@ -1234,7 +1234,7 @@ FFT::FFT(int size, int debugLevel)
         }
         d = new FFTs::D_KISSFFT(size);
 #else
-        std::cerr << "FFT::FFT(" << size << "): WARNING: Selected implemention not available" << std::endl;
+        std::cerr << "FFT::FFT(" << size << "): WARNING: Selected implementation not available" << std::endl;
 #ifdef USE_BUILTIN_FFT
         d = new FFTs::D_Cross(size);
 #else