Updated SC2154 (markdown)

SC2154.md

@@ -4,7 +4,12 @@
 
     var=name
     n=42
-    echo "$var_$n.jpg"
+    echo "$var_$n.jpg"   # overextended
+
+or
+
+    target="world"
+    echo "hello $tagret"  # misspelled
 
 ### Correct code:
 
@@ -12,6 +17,11 @@
     n=42
     echo "${var}_$n.jpg"
 
+or
+
+    target="world"
+    echo "hello $target"
+
 ### Rationale:
 
 ShellCheck has noticed that you reference a variable that is not assigned. Double check that the variable is indeed assigned, and that the name is not misspelled.