Change label name

Author: mernst

CONTRIBUTING.md

@@ -45,4 +45,4 @@ existing [license](LICENSE.txt), usually GPL2 or MIT License.
 ## Code of conduct
 
 When interacting with other people, please abide by the [Contributor
-Covenant](https://www.contributor-covenant.org/version/2/0/code_of_conduct).
+Covenant](https://www.contributor-covenant.org/version/2/1/code_of_conduct).

README.md

@@ -1,3 +1,5 @@
+# The Checker Framework:  pluggable type-checking for Java
+
 Please see the Checker Framework manual
 ([HTML](https://checkerframework.org/manual/),
 [PDF](https://checkerframework.org/manual/checker-framework-manual.pdf)).

docs/developer/gsoc-ideas.html

@@ -1368,7 +1368,7 @@ <h2 id="java-expression-parser">Java expression parser</h2>
   </li>
   <li>
     The <a href="https://checkerframework.org/api/org/checkerframework/framework/util/JavaExpressionParseUtil.html"><code>JavaExpressionParseUtil</code></a>
-    class already uses JavaParser, but it uses <code>ExpressionToReceiverVisitor</code> it to construct
+    class already uses JavaParser, but it uses <code>ExpressionToReceiverVisitor</code> to construct
     a <code>JavaExpression</code>.  Have it return a
     JavaParser <code>Expression</code> instead, and delete <code>ExpressionToReceiverVisitor</code>.
   </li>

docs/manual/troubleshooting.tex

@@ -960,8 +960,8 @@
 Thanks in advance for your contributions!
 
 The easiest bugs to fix for a newcomer are
-\href{https://github.com/typetools/checker-framework/issues?q=is\%3Aopen+is\%3Aissue+label\%3A\%22help+wanted\%22}{labeled
-  as ``help wanted''}.
+\href{https://github.com/typetools/checker-framework/issues?q=is%3Aopen+is%3Aissue+label%3A%22good+first+issue%22}{labeled
+  as ``good first issue''}.
 
 Please do not spam the issue tracker with requests to assign an issue to
 you.  If you want to contribute by fixing an issue, just open a pull