Add another very common shell variable assignment mistake.

bash.html.markdown

@@ -37,7 +37,14 @@ VARIABLE="Some string"
 # But not like this:
 VARIABLE = "Some string"
 # Bash will decide that VARIABLE is a command it must execute and give an error
-# because it couldn't be found.
+# because it can't be found.
+
+# Or like this:
+Variable= 'Some string'
+# Bash will decide that 'Some string' is a command it must execute and give an
+# error because it can't be found. (In this case the 'Variable=' part is seen
+# as a variable assignment valid only for the scope of the 'Some string'
+# command.)
 
 # Using the variable:
 echo $VARIABLE