fix broken links
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index e8f77c9..7e8b479 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -131,7 +131,7 @@
 You don't need to worry about regenerating the source files unless you need to
 modify them. You would then modify the corresponding `.pump` files and run the
 '[pump.py](googletest/scripts/pump.py)' generator script. See the
-[Pump Manual](googletest/docs/PumpManual.md).
+[Pump Manual](googletest/docs/pump_manual.md).
 
 ## Developing Google Mock
 
diff --git a/googlemock/scripts/fuse_gmock_files.py b/googlemock/scripts/fuse_gmock_files.py
index 9b6956f..c33c725 100755
--- a/googlemock/scripts/fuse_gmock_files.py
+++ b/googlemock/scripts/fuse_gmock_files.py
@@ -55,7 +55,7 @@
 This tool is experimental.  In particular, it assumes that there is no
 conditional inclusion of Google Mock or Google Test headers.  Please
 report any problems to googlemock@googlegroups.com.  You can read
-https://github.com/google/googletest/blob/master/googlemock/docs/CookBook.md for more
+https://github.com/google/googletest/blob/master/googlemock/docs/cook_book.md for more
 information.
 """