[DOCS] Copy edits in impala_conversion_functions.xml

Change-Id: I32b6d146f0a78abdeb28cb103edcab847fe5b9da
Reviewed-on: http://gerrit.cloudera.org:8080/14876
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
Reviewed-by: Alex Rodoni <arodoni@cloudera.com>
diff --git a/docs/topics/impala_conversion_functions.xml b/docs/topics/impala_conversion_functions.xml
index 57cdc17..8d161f5 100644
--- a/docs/topics/impala_conversion_functions.xml
+++ b/docs/topics/impala_conversion_functions.xml
@@ -397,10 +397,8 @@
                       Month number
                     </entry>
                     <entry>
-                      <p>
-                        In date/time to string conversions, a 1-digit month is prefixed with a
-                        zero.
-                      </p>
+                      <p> In date/time to string conversions, 1-digit months are
+                        prefixed with a zero. </p>
                     </entry>
                   </row>
                   <row>
@@ -424,9 +422,8 @@
                       In string to date/time conversions:
 
                       <ul>
-                        <li>
-                          Converts textual month names to 2-digit month numbers.
-                        </li>
+                        <li> Converts a textual month name to a 2-digit month
+                          number. </li>
 
                         <li>
                           The input strings are expected without trailing spaces, e.g.
@@ -504,15 +501,12 @@
                       Week of year (1-53)
                     </entry>
                     <entry>
-                      <p>
-                        Not supported in a string to date/time conversions.
-                      </p>
+                      <p> Not supported in string to date/time conversions. </p>
 
 
 
-                      <p>
-                        1st week begins on January 1st and ends on January 7th.
-                      </p>
+                      <p> The 1st week begins on January 1st and ends on January
+                        7th. </p>
                     </entry>
                   </row>
                   <row>
@@ -558,10 +552,8 @@
                       Day of month (1-31)
                     </entry>
                     <entry>
-                      <p>
-                        In date/time to string conversions, one digit day is prefixed with a
-                        zero.
-                      </p>
+                      <p> In date/time to string conversions, 1-digit days are
+                        prefixed with a zero. </p>
                     </entry>
                   </row>
                   <row>