diff --git a/src/nact/nact-preferences.ui b/src/nact/nact-preferences.ui
index 9f72552..e73160c 100644
--- a/src/nact/nact-preferences.ui
+++ b/src/nact/nact-preferences.ui
@@ -222,7 +222,7 @@ Note that this item will be displayed only if a unique menu is defined in the Na
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="tooltip_text" translatable="yes">When a menu is copied/pasted, or duplicated, the new menu will be relabeled as 'Copy of ...'.</property>
+                                    <property name="tooltip_text" translatable="yes">When a menu is copied/pasted, or duplicated, the new menu will be relabelled as 'Copy of ...'.</property>
                                     <property name="use_underline">True</property>
                                     <property name="draw_indicator">True</property>
                                   </object>
@@ -236,7 +236,7 @@ Note that this item will be displayed only if a unique menu is defined in the Na
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="tooltip_text" translatable="yes">When an action is copied/pasted, or duplicated, the new action will be relabeled as 'Copy of ...'.</property>
+                                    <property name="tooltip_text" translatable="yes">When an action is copied/pasted, or duplicated, the new action will be relabelled as 'Copy of ...'.</property>
                                     <property name="use_underline">True</property>
                                     <property name="draw_indicator">True</property>
                                   </object>
@@ -250,7 +250,7 @@ Note that this item will be displayed only if a unique menu is defined in the Na
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="tooltip_text" translatable="yes">When a profile is copied/pasted, or duplicated, the new profile will be relabeled as 'Copy of ...'.</property>
+                                    <property name="tooltip_text" translatable="yes">When a profile is copied/pasted, or duplicated, the new profile will be relabelled as 'Copy of ...'.</property>
                                     <property name="use_underline">True</property>
                                     <property name="draw_indicator">True</property>
                                   </object>
@@ -315,7 +315,7 @@ Note that this item will be displayed only if a unique menu is defined in the Na
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
                                 <property name="receives_default">False</property>
-                                <property name="tooltip_text" translatable="yes">This option is only relevant when the 'Escape' key lets the user quit the assistant. When checked, a confirmation will be asked to the user in order to help prevent erroneous hits.</property>
+                                <property name="tooltip_text" translatable="yes">This option is only relevant when the 'Escape' key lets the user quit the assistant. When checked, the user will be prompted for a confirmation in order to help prevent erroneous hits of the Esc key.</property>
                                 <property name="use_underline">True</property>
                                 <property name="draw_indicator">True</property>
                               </object>
@@ -444,7 +444,7 @@ Note that this item will be displayed only if a unique menu is defined in the Na
             <child type="tab">
               <object class="GtkLabel" id="label40">
                 <property name="visible">True</property>
-                <property name="tooltip_text" translatable="yes">This tab acts on some user preferences relatively to the configuration user interface.</property>
+                <property name="tooltip_text" translatable="yes">This tab allows the user to choose custom preferences for the Nautilus-Actions Configuration Tool user interface.</property>
                 <property name="label" translatable="yes">_UI Preferences</property>
                 <property name="use_underline">True</property>
               </object>
@@ -525,7 +525,7 @@ The existing action will not be modified.</property>
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="tooltip_text" translatable="yes">The action found in the selected file will silently override the current action which has the same identifiant.
+                                    <property name="tooltip_text" translatable="yes">The action found in the selected file will silently override the current action which has the same identifier.
 Be warned: this mode may be dangerous. You will not be prompted another time.</property>
                                     <property name="use_underline">True</property>
                                     <property name="draw_indicator">True</property>
@@ -581,7 +581,7 @@ Be warned: this mode may be dangerous. You will not be prompted another time.</p
             <child type="tab">
               <object class="GtkLabel" id="label48">
                 <property name="visible">True</property>
-                <property name="tooltip_text" translatable="yes">This tab lets you decide of some default behaviors on import operations.</property>
+                <property name="tooltip_text" translatable="yes">This tab lets you decide on the default behavior of import operations.</property>
                 <property name="label" translatable="yes">_Import</property>
                 <property name="use_underline">True</property>
               </object>
@@ -643,7 +643,7 @@ Be warned: this mode may be dangerous. You will not be prompted another time.</p
             <child type="tab">
               <object class="GtkLabel" id="label51">
                 <property name="visible">True</property>
-                <property name="tooltip_text" translatable="yes">This tab lets you decide of some default behaviors on export operations.</property>
+                <property name="tooltip_text" translatable="yes">This tab lets you decide on the default behavior of export operations.</property>
                 <property name="label" translatable="yes">_Export</property>
                 <property name="use_underline">True</property>
               </object>
diff --git a/src/nact/nautilus-actions-config-tool.ui b/src/nact/nautilus-actions-config-tool.ui
index 5bf7d7e..e96c770 100644
--- a/src/nact/nautilus-actions-config-tool.ui
+++ b/src/nact/nautilus-actions-config-tool.ui
@@ -1539,7 +1539,7 @@ Folder filters may be negated to specify for which folders your item must not ap
                                                     <property name="visible">True</property>
                                                     <property name="can_focus">True</property>
                                                     <property name="receives_default">True</property>
-                                                    <property name="tooltip_text" translatable="yes">Click to browse the filesystem in order to selec a new folder filter.</property>
+                                                    <property name="tooltip_text" translatable="yes">Click to browse the filesystem in order to select a new folder filter.</property>
                                                     <property name="image">FolderBrowseImage</property>
                                                     <property name="use_underline">True</property>
                                                   </object>
@@ -2652,7 +2652,7 @@ There may be multiple reasons for why an item cannot be edited. See your User's
                     <child type="tab">
                       <object class="GtkLabel" id="labelA00">
                         <property name="visible">True</property>
-                        <property name="tooltip_text" translatable="yes">This tab lets you edit some miscellaneous properties, and access to some non-modifiable informations.
+                        <property name="tooltip_text" translatable="yes">This tab lets you edit some miscellaneous properties, and access to some non-modifiable information.
 </property>
                         <property name="label" translatable="yes">P_roperties</property>
                         <property name="use_underline">True</property>
@@ -3008,7 +3008,7 @@ The existing item will not be modified.</property>
                     <property name="visible">True</property>
                     <child>
                       <object class="GtkRadioButton" id="RenumberButton">
-                        <property name="label" translatable="yes">A_llocate a new identifiant for the imported item</property>
+                        <property name="label" translatable="yes">A_llocate a new identifier for the imported item</property>
                         <property name="visible">True</property>
                         <property name="can_focus">True</property>
                         <property name="receives_default">False</property>
@@ -3072,7 +3072,7 @@ The existing item will not be modified.</property>
                             <property name="visible">True</property>
                             <property name="xalign">0</property>
                             <property name="xpad">16</property>
-                            <property name="label" translatable="yes">The item found in the selected file will silently override the current one which has the same identifiant.
+                            <property name="label" translatable="yes">The item found in the selected file will silently override the current one which has the same identifier.
 Be warned: this mode may be dangerous. You will not be prompted another time.</property>
                             <property name="wrap">True</property>
                           </object>
