Typo fix.

PiperOrigin-RevId: 163191957
diff --git a/third_party/com/github/bazelbuild/bazel/src/main/protobuf/crosstool_config.proto b/third_party/com/github/bazelbuild/bazel/src/main/protobuf/crosstool_config.proto
index 8945755..bd7235f 100644
--- a/third_party/com/github/bazelbuild/bazel/src/main/protobuf/crosstool_config.proto
+++ b/third_party/com/github/bazelbuild/bazel/src/main/protobuf/crosstool_config.proto
@@ -189,7 +189,7 @@
     optional string name = 1;
 
     // If 'true', this feature is enabled unless a rule type explicitly marks it
-    // as unssupported. Such features cannot be turned of from with in a BUILD
+    // as unsupported. Such features cannot be turned off from within a BUILD
     // file or the command line.
     optional bool enabled = 7;