diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index d5d7e43f1..b76992e2b 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -3156,7 +3156,7 @@ static bool_t video_size_supported(MSVideoSize vsize){
  *
  * @ingroup media_parameters
  * This applies only to the stream that is captured and sent to the remote party,
- * since we accept all standart video size on the receive path.
+ * since we accept all standard video size on the receive path.
 **/
 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
 	if (video_size_supported(vsize)){
diff --git a/gtk-glade/about.glade b/gtk-glade/about.glade
index 96c6b5f10..8203b4160 100644
--- a/gtk-glade/about.glade
+++ b/gtk-glade/about.glade
@@ -15,7 +15,7 @@
     <property name="version">undef</property>
     <property name="copyright" translatable="yes">Created by Simon Morlat
 </property>
-    <property name="comments" translatable="yes">An internet video phone using the standart SIP (rfc3261) protocol.</property>
+    <property name="comments" translatable="yes">An internet video phone using the standard SIP (rfc3261) protocol.</property>
     <property name="website">http://www.linphone.org</property>
     <property name="license">GPL</property>
     <property name="authors">Simon Morlat</property>
diff --git a/media_api/media_api.c b/media_api/media_api.c
index 28ed3c1a3..8746e9b0c 100644
--- a/media_api/media_api.c
+++ b/media_api/media_api.c
@@ -20,7 +20,7 @@
 
 #include "media_api.h"
 
-/* non-standart payload types for oRTP */
+/* non-standard payload types for oRTP */
 PayloadType lpc1015={
     PAYLOAD_AUDIO_PACKETIZED,
     8000,