Fix spelling and grammar mistakes

Author: rbuj

baobab/help/C/index.docbook

@@ -128,7 +128,7 @@
   </articleinfo> 
 
   <indexterm> 
-    <primary>Disk Usage Analyser</primary> 
+    <primary>Disk Usage Analyzer</primary>
   </indexterm> 
 
 <!-- ============= Document Body ============================= -->
@@ -138,7 +138,7 @@
     <title>Introduction</title> 
 
       <para><application>&app;</application> is a graphical, menu-driven
-      application to analyse disk usage in any Mate environment. <application>&app;</application> can easily scan 
+      application to analyze disk usage in any Mate environment. <application>&app;</application> can easily scan
        either the whole filesystem tree, or a specific user-requested directory 
        branch (local or remote). </para>
        <para>It also auto-detects in real-time any changes 
@@ -438,8 +438,8 @@
       folder with no further subfolders is selected to be the root of 
       the partial tree, only the inner circle will be drawn. When the 
       mouse pointer hovers one of the folders in the graphic, it will be
-      highlighted and a tooltip will appears with information about its 
-      name and size. If there are any subfolders, small grey tooltips 
+      highlighted and a tooltip will appear with information about its
+      name and size. If there are any subfolders, small gray tooltips
       will appear, indicating their names. It's possible that not all of
       the subfolders' names are displayed, to avoid overlappings.</para>
 
@@ -452,10 +452,10 @@
       setting the root of the graphic to that folder. If you press the 
       middle button (no matter the place as long as you click inside the 
       <guilabel>ringschart</guilabel> frame) you'll get the opposite 
-      behaviour, going back one step in the hierarchy.</para>
+      behavior, going back one step in the hierarchy.</para>
 
     <para>The percentage of its parent's radius that is used by a given
-      folder is directly proportional to the relation between it's own
+      folder is directly proportional to the relation between its own
       size and its parent's. It's easy to understand that the size of 
       a folder is equal or smaller than its parent's. Although only 
       directories are shown in this graphical representation, files are 

gsearchtool/help/C/index.docbook

@@ -429,7 +429,7 @@
 				  <entry> 
 					 <para>Name does not contain</para></entry> 
 				  <entry> 
-					 <para>Search for filenames that do not contain the string that you enter. Enter a full filename or a partial filename with wildcards in the field provided. Use * to indicate a sequence of characters. Use ? to indicate a single character. The search is case sensitive.</para></entry>  
+					 <para>Search for filenames that do not contain the string that you enter. Enter a full filename or a partial filename with wildcards in the field provided. Use * to indicate a sequence of characters. Use ? to indicate a single character. The search is case-sensitive.</para></entry>
 				</row> 
 				<row valign="top"> 
 				  <entry>