diff --git a/Common/DefaultOptions.h b/Common/DefaultOptions.h
index 5404684228b127a225411128574faec52503035f..f495a48caf1b829f4531f61254b390ea7ece9076 100644
--- a/Common/DefaultOptions.h
+++ b/Common/DefaultOptions.h
@@ -1126,7 +1126,7 @@ StringXColor GeneralOptions_Color[] = {
     PACK_COLOR(25, 25, 25, 255),
     PACK_COLOR(25, 25, 25, 255),
     PACK_COLOR(25, 25, 25, 255),
-    "Ambiant light color" },
+    "Ambient light color" },
   { F|O, "DiffuseLight" , opt_general_color_diffuse_light,
     PACK_COLOR(255, 255, 255, 255),
     PACK_COLOR(255, 255, 255, 255),
diff --git a/doc/texinfo/opt_general.texi b/doc/texinfo/opt_general.texi
index 658a64cb1e3a86e47207af309566cd600500ca5d..f349a5142310cdfe1ceea7bcde5681aed7367ec1 100644
--- a/doc/texinfo/opt_general.texi
+++ b/doc/texinfo/opt_general.texi
@@ -36,7 +36,7 @@ Saved in: @code{General.SessionFileName}
 
 @item General.TextEditor
 System command to launch a text editor@*
-Default value: @code{"open -e %s"}@*
+Default value: @code{"emacs %s &"}@*
 Saved in: @code{General.OptionsFileName}
 
 @item General.TmpFileName
@@ -46,7 +46,7 @@ Saved in: @code{General.SessionFileName}
 
 @item General.WebBrowser
 System command to launch a web browser@*
-Default value: @code{"open %s"}@*
+Default value: @code{"if [[ $(ps -e|grep mozilla|grep -v grep) ]]; then mozilla -remote 'openurl(%s)' ; else mozilla %s ; fi &"}@*
 Saved in: @code{General.OptionsFileName}
 
 @item General.AlphaBlending
@@ -705,7 +705,7 @@ Default value: @code{@{255,255,255@}}@*
 Saved in: @code{General.OptionsFileName}
 
 @item General.Color.AmbientLight
-Ambiant light color@*
+Ambient light color@*
 Default value: @code{@{25,25,25@}}@*
 Saved in: @code{General.OptionsFileName}