Typo fixes in markdown and javadoc as suggested by intellij typo inspection.

--
MOS_MIGRATED_REVID=128476121
diff --git a/src/main/java/com/google/devtools/build/lib/rules/AliasConfiguredTarget.java b/src/main/java/com/google/devtools/build/lib/rules/AliasConfiguredTarget.java
index fb748c46..596675f 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/AliasConfiguredTarget.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/AliasConfiguredTarget.java
@@ -94,7 +94,7 @@
     if (name.equals("label")) {
       return getLabel();
     } else if (name.equals("files")) {
-      // A shortcut for files to build in Skylark. FileConfiguredTarget and RunleConfiguredTarget
+      // A shortcut for files to build in Skylark. FileConfiguredTarget and RuleConfiguredTarget
       // always has FileProvider and Error- and PackageGroupConfiguredTarget-s shouldn't be
       // accessible in Skylark.
       return SkylarkNestedSet.of(Artifact.class, actual == null