diff --git a/02-navigating-the-filesystem.md b/02-navigating-the-filesystem.md
index 1afc800d..5fa7cca2 100644
--- a/02-navigating-the-filesystem.md
+++ b/02-navigating-the-filesystem.md
@@ -122,7 +122,7 @@ us right back to the home directory, the place where we started.**
 
 ## Previous Directory
 
-To switch back and forth between two directories use `cd -`.
+To switch back and forth between two directories use `cd -`
 
 ::::::::::::::::::::::::::::::::::::::::::::::::::
 
diff --git a/md5sum.txt b/md5sum.txt
index 8c380cff..7d7bc980 100644
--- a/md5sum.txt
+++ b/md5sum.txt
@@ -5,7 +5,7 @@
 "contribute.md" "bff656c223950dd9640e88b0f45d4fa2" "site/built/contribute.md" "2023-08-29"
 "index.md" "695ec6b5ea71afec2087ea5bf540a0d9" "site/built/index.md" "2024-04-08"
 "episodes/01-intro-shell.md" "4248552de8d7fe3f30930e93acef8436" "site/built/01-intro-shell.md" "2023-05-08"
-"episodes/02-navigating-the-filesystem.md" "c85f3b8108023b4da52d70fce13f2c43" "site/built/02-navigating-the-filesystem.md" "2024-02-23"
+"episodes/02-navigating-the-filesystem.md" "a55e2785748efba647329295a246802c" "site/built/02-navigating-the-filesystem.md" "2024-05-01"
 "episodes/03-working-with-files-and-folders.md" "f28760ce8c1c6e3b96c8b6ccacc55772" "site/built/03-working-with-files-and-folders.md" "2024-02-23"
 "episodes/04-loops.md" "ef86d9f8b71733dea97b44a886391bdd" "site/built/04-loops.md" "2024-02-23"
 "episodes/05-counting-mining.md" "f61fde3e769614d41d8b22e09f38d1e7" "site/built/05-counting-mining.md" "2024-02-23"