Update mkdocs.yml

mkdocs.yml

@@ -97,7 +97,7 @@ nav:
         - Navigating files and directories: pages/bash/bash-3-navigating.md
         - Working with files and directories: pages/bash/bash-4-working_with_files_and_directories.md
         - Connecting on a remote server: pages/bash/bash-connecting_remote.md
-        - Extracting from files: pages/bash/bash-extracting_from_files.md
+        - Manipulating files: pages/bash/bash-extracting_from_files.md
         - PATH: pages/bash/bash-6-path.md
         - Commands: pages/bash/bash-7-commands.md
         - Scripting: pages/bash/bash-9-scripting.md