Fixed double-space typo.
diff --git a/user_guide/helpers/string_helper.html b/user_guide/helpers/string_helper.html
index 169ee4e..6fc2cf5 100644
--- a/user_guide/helpers/string_helper.html
+++ b/user_guide/helpers/string_helper.html
@@ -70,9 +70,9 @@
 
 <h2>random_string()</h2>
 
-<p>Generates a random string based on the type and length you specify.  Useful for creating passwords or generating random hashes.</p>
+<p>Generates a random string based on the type and length you specify. Useful for creating passwords or generating random hashes.</p>
 
-<p>The first parameter specifies the type of string, the second parameter specifies the length.  The following choices are available:</p>
+<p>The first parameter specifies the type of string, the second parameter specifies the length. The following choices are available:</p>
 
  alpha, alunum, numeric, nozero, unique, md5, encrypt and sha1
 <ul>
@@ -92,7 +92,7 @@
 
 <h2>alternator()</h2>
 
-<p>Allows two or more items to be alternated between, when cycling through a loop.  Example:</p>
+<p>Allows two or more items to be alternated between, when cycling through a loop. Example:</p>
 
 <code>for ($i = 0; $i < 10; $i++)<br />
 {<br />