diff --git a/usegalaxy.org/text_manipulation.yml b/usegalaxy.org/text_manipulation.yml
index 5fe21ac6..acb78b73 100644
--- a/usegalaxy.org/text_manipulation.yml
+++ b/usegalaxy.org/text_manipulation.yml
@@ -44,3 +44,5 @@ tools:
   owner: bgruening
 - name: add_line_to_file
   owner: bgruening
+- name: diff
+  owner: bgruening
diff --git a/usegalaxy.org/text_manipulation.yml.lock b/usegalaxy.org/text_manipulation.yml.lock
index 828e04af..be606366 100644
--- a/usegalaxy.org/text_manipulation.yml.lock
+++ b/usegalaxy.org/text_manipulation.yml.lock
@@ -162,3 +162,9 @@ tools:
   - 8e251055b1a9
   tool_panel_section_id: text_manipulation
   tool_panel_section_label: Text Manipulation
+- name: diff
+  owner: bgruening
+  revisions:
+  - 156d0908e232
+  tool_panel_section_id: text_manipulation
+  tool_panel_section_label: Text Manipulation