Correct typo in workspace_name docs

Closes #8078.

PiperOrigin-RevId: 244201901

src/main/java/com/google/devtools/build/lib/cmdline/Label.java

diff --git a/src/main/java/com/google/devtools/build/lib/cmdline/Label.java b/src/main/java/com/google/devtools/build/lib/cmdline/Label.java
index 0cd3dc9..c9204b3 100644
--- a/src/main/java/com/google/devtools/build/lib/cmdline/Label.java
+++ b/src/main/java/com/google/devtools/build/lib/cmdline/Label.java
@@ -452,7 +452,7 @@
       name = "workspace_name",
       structField = true,
       doc =
-          "The repository part of this label. For isntance, "
+          "The repository part of this label. For instance, "
               + "<pre class=language-python>Label(\"@foo//bar:baz\").workspace_name"
               + " == \"foo\"</pre>")
   public String getWorkspaceName() {