diff --git a/Buildings/package.mo b/Buildings/package.mo
index 8b158c23c67..8b64a84eda9 100644
--- a/Buildings/package.mo
+++ b/Buildings/package.mo
@@ -209,35 +209,12 @@ Each class (i.e., model, block and function) must be used in an example or valid
     annotation (Documentation(info="<html>
 <div class=\"release-summary\">
 <p>
-Version 8.1.1 is ... xxx
+Version 8.1.1 is a patch that has backward compatible bug fixes.
+It is backwards compatible with version 8.0.0 and 8.1.0.
 </p>
 </div>
-<!-- New libraries -->
-<p>
-The following <b style=\"color:blue\">new libraries</b> have been added:
-</p>
-<table class=\"releaseTable\" summary=\"summary\" border=\"1\" cellspacing=\"0\" cellpadding=\"2\">
-<tr><td valign=\"top\">xxx
-    </td>
-    <td valign=\"top\">xxx.
-    </td>
-    </tr>
-</table>
+  <!-- New libraries -->
 <!-- New components for existing libraries -->
-<p>
-The following <b style=\"color:blue\">new components</b> have been added
-to <b style=\"color:blue\">existing</b> libraries:
-</p>
-<table class=\"releaseTable\" summary=\"summary\" border=\"1\" cellspacing=\"0\" cellpadding=\"2\" style=\"border-collapse:collapse;\">
-<tr><td colspan=\"2\"><b>xxx</b>
-    </td>
-</tr>
-<tr><td valign=\"top\">xxx
-    </td>
-    <td valign=\"top\">xxx.
-    </td>
-    </tr>
-</table>
 <!-- Backward compatible changes -->
 <p>
 The following <b style=\"color:blue\">existing components</b>
@@ -292,21 +269,6 @@ have been <b style=\"color:blue\">improved</b> in a
 </tr>
 </table>
 <!-- Non-backward compatible changes to existing components -->
-<p>
-The following <b style=\"color:blue\">existing components</b>
-have been <b style=\"color:blue\">improved</b> in a
-<b style=\"color:blue\">non-backward compatible</b> way:
-</p>
-<table class=\"releaseTable\" summary=\"summary\" border=\"1\" cellspacing=\"0\" cellpadding=\"2\" style=\"border-collapse:collapse;\">
- <tr><td colspan=\"2\"><b>xxx</b>
-    </td>
-</tr>
-<tr><td valign=\"top\">xxx
-    </td>
-    <td valign=\"top\">xxx.
-    </td>
-</tr>
-</table>
 <!-- Errors that have been fixed -->
 <p>
 The following <b style=\"color:red\">critical errors</b> have been fixed (i.e., errors
@@ -386,14 +348,6 @@ units are wrong or errors in documentation):
     </td>
 </tr>
 </table>
-<p>
-Note:
-</p>
-<ul>
-<li>
-xxx
-</li>
-</ul>
 </html>"));
   end Version_8_1_1;
 
@@ -9489,7 +9443,7 @@ on the Buildings library.
 </p>
 <ul>
 <li>
-<a href=\"modelica://Buildings.UsersGuide.ReleaseNotes.Version_8_1_1\">Version 8.1.1</a> (xxx)
+<a href=\"modelica://Buildings.UsersGuide.ReleaseNotes.Version_8_1_1\">Version 8.1.1</a> (May 11, 2022)
 </li>
 <li>
 <a href=\"modelica://Buildings.UsersGuide.ReleaseNotes.Version_8_1_0\">Version 8.1.0</a> (December 9, 2021)
@@ -10012,7 +9966,7 @@ annotation (
 preferredView="info",
 version="8.1.1",
 versionDate="2021-06-08",
-dateModified="2021-12-09",
+dateModified="2022-05-11",
 uses(Modelica(version="3.2.3")),
 conversion(
   noneFromVersion="8.0.0",
@@ -10051,4 +10005,4 @@ requirements definition or providing feedback regarding the model applicability
 to solve specific problems.
 </p>
 </html>"));
-end Buildings;
+end Buildings;
\ No newline at end of file
diff --git a/README.md b/README.md
index 633df9dcb59..0317499c28b 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ The main project site is http://simulationresearch.lbl.gov/modelica.
 
 ## Current release
 
-Download [Buildings Library 8.1.0 (2021-12-09)](https://github.com/lbl-srg/modelica-buildings/releases/download/v8.1.0/Buildings-v8.1.0.zip)
+Download [Buildings Library 8.1.1 (2022-05-11)](https://github.com/lbl-srg/modelica-buildings/releases/download/v8.1.1/Buildings-v8.1.1.zip)
 
 ## License
 
diff --git a/bin/verifyFiles.py b/bin/verifyFiles.py
index ae0177018e4..135ea584347 100755
--- a/bin/verifyFiles.py
+++ b/bin/verifyFiles.py
@@ -45,7 +45,7 @@
 	        "modelica://IDEAS",
                 "modelica://https://"]
 
-if LIBNAME is not "IBPSA":
+if LIBNAME != "IBPSA":
     INVALID_IN_ALL.append("modelica://IBPSA")
 
 # List of invalid strings in .mos files
