Re-run generate_projects.sh.
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index 12eb651..1baa5bb 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -882,6 +882,7 @@
 src/core/lib/channel/handshaker.h \
 src/core/lib/channel/http_client_filter.h \
 src/core/lib/channel/http_server_filter.h \
+src/core/lib/channel/message_size_filter.h \
 src/core/lib/compression/algorithm_metadata.h \
 src/core/lib/compression/message_compress.h \
 src/core/lib/debug/trace.h \
@@ -994,6 +995,7 @@
 src/core/lib/channel/handshaker.c \
 src/core/lib/channel/http_client_filter.c \
 src/core/lib/channel/http_server_filter.c \
+src/core/lib/channel/message_size_filter.c \
 src/core/lib/compression/compression.c \
 src/core/lib/compression/message_compress.c \
 src/core/lib/debug/trace.c \