Fix typo

Change-Id: Iac47302dcdc7bb0ee09b0f0c7ed2ef92c02bb1bc
Reviewed-on: https://gerrit.libreoffice.org/73348
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

filter/source/xslt/odf2xhtml/export/xhtml/header.xsl

@@ -128,7 +128,7 @@
 
             <xsl:for-each select="$globalData/all-styles/style">
                     <xsl:if test="final-properties != ''">
-                        <!-- NOTE: easy process, as only the style family in conjunction with the style name, makes the style unambigous -->
+                        <!-- NOTE: easy process, as only the style family in conjunction with the style name, makes the style unambiguous -->
                         <xsl:text>.</xsl:text><!--<xsl:value-of select="@style:family" /><xsl:text>:</xsl:text>--><xsl:value-of select="translate(@style:name, '.,;: %()[]/\+', '_____________')"/><xsl:text> { </xsl:text> <xsl:value-of select="final-properties" /><xsl:text>}
     </xsl:text>
                     </xsl:if>