fix obs/firstobs doc

api.html

@@ -939,7 +939,7 @@ <h2>SAS Session Object<a class="headerlink" href="#sas-session-object" title="Pe
 <li><p>keep are strings or list of strings.</p></li>
 <li><p>drop are strings or list of strings.</p></li>
 <li><p>obs is a number - either string or int</p></li>
-<li><p>first obs is a number - either string or int</p></li>
+<li><p>firstobs is a number - either string or int</p></li>
 <li><p>format is a string or dictionary { var: format }</p></li>
 <li><p>encoding is a string</p></li>
 </ul>
@@ -977,7 +977,7 @@ <h2>SAS Session Object<a class="headerlink" href="#sas-session-object" title="Pe
 <li><p>keep are strings or list of strings.</p></li>
 <li><p>drop are strings or list of strings.</p></li>
 <li><p>obs is a number - either string or int</p></li>
-<li><p>first obs is a number - either string or int</p></li>
+<li><p>firstobs is a number - either string or int</p></li>
 <li><p>format is a string or dictionary { var: format }</p></li>
 <li><p>encoding is a string</p></li>
 </ul>
@@ -1147,7 +1147,7 @@ <h2>SAS Session Object<a class="headerlink" href="#sas-session-object" title="Pe
 <li><p>keep are strings or list of strings.</p></li>
 <li><p>drop are strings or list of strings.</p></li>
 <li><p>obs is a number - either string or int</p></li>
-<li><p>first obs is a number - either string or int</p></li>
+<li><p>firstobs is a number - either string or int</p></li>
 <li><p>format is a string or dictionary { var: format }</p></li>
 <li><p>encoding is a string</p></li>
 </ul>
@@ -1218,7 +1218,7 @@ <h2>SAS Session Object<a class="headerlink" href="#sas-session-object" title="Pe
 <li><p>keep are strings or list of strings.</p></li>
 <li><p>drop are strings or list of strings.</p></li>
 <li><p>obs is a number - either string or int</p></li>
-<li><p>first obs is a number - either string or int</p></li>
+<li><p>firstobs is a number - either string or int</p></li>
 <li><p>format is a string or dictionary { var: format }</p></li>
 <li><p>encoding is a string</p></li>
 </ul>
@@ -1272,7 +1272,7 @@ <h2>SAS Session Object<a class="headerlink" href="#sas-session-object" title="Pe
 <li><p>keep are strings or list of strings.</p></li>
 <li><p>drop are strings or list of strings.</p></li>
 <li><p>obs is a number - either string or int</p></li>
-<li><p>first obs is a number - either string or int</p></li>
+<li><p>firstobs is a number - either string or int</p></li>
 <li><p>format is a string or dictionary { var: format }</p></li>
 <li><p>encoding is a string</p></li>
 </ul>
@@ -1563,7 +1563,7 @@ <h2>SAS Session Object<a class="headerlink" href="#sas-session-object" title="Pe
 <li><p>keep are strings or list of strings.</p></li>
 <li><p>drop are strings or list of strings.</p></li>
 <li><p>obs is a number - either string or int</p></li>
-<li><p>first obs is a number - either string or int</p></li>
+<li><p>firstobs is a number - either string or int</p></li>
 <li><p>format is a string or dictionary { var: format }</p></li>
 <li><p>encoding is a string</p></li>
 </ul>
@@ -1621,7 +1621,7 @@ <h2>SAS Data Object<a class="headerlink" href="#sas-data-object" title="Permalin
 <li><p>keep are strings or list of strings.</p></li>
 <li><p>drop are strings or list of strings.</p></li>
 <li><p>obs is a numbers - either string or int</p></li>
-<li><p>first obs is a numbers - either string or int</p></li>
+<li><p>firstobs is a numbers - either string or int</p></li>
 <li><p>format is a string or dictionary { var: format }</p></li>
 <li><p>encoding is a string</p></li>
 </ul>