Update runtime files.
diff --git a/runtime/doc/debugger.txt b/runtime/doc/debugger.txt
index 47c017d..a728b8a 100644
--- a/runtime/doc/debugger.txt
+++ b/runtime/doc/debugger.txt
@@ -114,7 +114,7 @@
The debugger features were added for use with Sun's Visual WorkShop Integrated
Programming Environment (ipe). However, they were done in as generic a manner
-as possible so that integration with other debuggers could also these
+as possible so that integration with other debuggers could also use these
features.
The following compile time preprocessor variables control the features: