diff --git a/articles/intro_to_geobr_files/figure-html/unnamed-chunk-14-1.png b/articles/intro_to_geobr_files/figure-html/unnamed-chunk-14-1.png
index 0728b582..f8673a56 100644
Binary files a/articles/intro_to_geobr_files/figure-html/unnamed-chunk-14-1.png and b/articles/intro_to_geobr_files/figure-html/unnamed-chunk-14-1.png differ
diff --git a/news/index.html b/news/index.html
index 4a3342e9..a801bde9 100644
--- a/news/index.html
+++ b/news/index.html
@@ -63,11 +63,12 @@ <h1 data-toc-skip>Changelog <small></small></h1>
     <div class="section level2">
 <h2 class="page-header" data-toc-text="1.9.19999" id="geobr-v1919999-dev">geobr v1.9.19999 dev<a class="anchor" aria-label="anchor" href="#geobr-v1919999-dev"></a></h2>
 <p><strong>Minor changes</strong></p>
-<ul><li>Functions now include a <code>cache</code> parameter that allows users to decide whehter to keep files in cache or to force downloading them again. At the moment, files are only cached during the R session, but this is a step toward future version of geobr that will be based on permanent caching.</li>
+<ul><li>The <code><a href="../reference/read_municipality.html">read_municipality()</a></code> has a new parameter <code>keep_areas_operacionais</code>, which allows users to control wether the data should keep the polygons of Lagoas dos Patos and Lagoa Mirim in the State of Rio Grande do Sul (considered as areas estaduais operacionais). The default <code>FALSE</code> drops these two polygons. Closes #176.</li>
+<li>Functions now include a <code>cache</code> parameter that allows users to decide whehter to keep files in cache or to force downloading them again. At the moment, files are only cached during the R session, but this is a step towards a future version of {geobr} when files will be based on permanent caching.</li>
 <li>Now using <code><a href="https://rdrr.io/pkg/curl/man/multi_download.html" class="external-link">curl::multi_download()</a></code> to download files in parallel</li>
-<li>{geobr} now imports {fs} to use robust cross-platform file system operations</li>
 <li>Removed dependency on the {httr} package</li>
-<li>Simplified internal functions</li>
+<li>{geobr} now imports {fs} to use robust cross-platform file system operations</li>
+<li>Simplified and streamlined internal functions</li>
 </ul></div>
     <div class="section level2">
 <h2 class="page-header" data-toc-text="1.9.0" id="geobr-v190">geobr v1.9.0<small>2024-04-18</small><a class="anchor" aria-label="anchor" href="#geobr-v190"></a></h2>
diff --git a/pkgdown.yml b/pkgdown.yml
index 4fb99981..8a5cf9bf 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -4,4 +4,4 @@ pkgdown_sha: ~
 articles:
   intro_to_geobr: intro_to_geobr.html
   python-intro/py-intro-to-geobr: python-intro/py-intro-to-geobr.html
-last_built: 2024-09-04T15:59Z
+last_built: 2024-09-04T16:53Z
diff --git a/reference/read_municipality.html b/reference/read_municipality.html
index 466b88f2..fee7ff9f 100644
--- a/reference/read_municipality.html
+++ b/reference/read_municipality.html
@@ -71,7 +71,8 @@ <h1>Download spatial data of Brazilian municipalities</h1>
 <span>  year <span class="op">=</span> <span class="fl">2010</span>,</span>
 <span>  simplified <span class="op">=</span> <span class="cn">TRUE</span>,</span>
 <span>  showProgress <span class="op">=</span> <span class="cn">TRUE</span>,</span>
-<span>  cache <span class="op">=</span> <span class="cn">TRUE</span></span>
+<span>  cache <span class="op">=</span> <span class="cn">TRUE</span>,</span>
+<span>  keep_areas_operacionais <span class="op">=</span> <span class="cn">FALSE</span></span>
 <span><span class="op">)</span></span></code></pre></div>
     </div>
 
@@ -113,6 +114,12 @@ <h2>Arguments</h2>
 within each R session. If <code>cache = FALSE</code>, the function will download
 the data again and overwrite the local file.</p></dd>
 
+
+<dt id="arg-keep-areas-operacionais">keep_areas_operacionais<a class="anchor" aria-label="anchor" href="#arg-keep-areas-operacionais"></a></dt>
+<dd><p>Logic. Whether the function should keep the
+polygons of Lagoas dos Patos and Lagoa Mirim in the State of Rio Grande
+do Sul (considered as areas estaduais operacionais). Defaults to <code>FALSE</code>.</p></dd>
+
 </dl></div>
     <div id="value">
     <h2>Value</h2>