Update 100-permissions.md

fix incorrect sentence

src/data/roadmaps/linux/content/103-working-with-files/100-permissions.md

@@ -2,7 +2,7 @@
 
 In Linux systems, rights and privileges are assigned to files and directories in the form of permissions. These permissions indicate who can read, write, or execute (run) them. In Linux, there are three types of users: owners, groups, and others who can have a different set of permissions.
 
-In fact, permissions on the system are there for a reason: to prevent unprivileged users from making changes on the system that would ultimately affect other users. With adequate permissions, unprivileged users are able to make changes that would be beneficial or harmless to the Linux system. 
+In fact, permissions on the system are there for a reason: to prevent unprivileged users from making changes on the system that would ultimately affect other users. With inadequate permissions, unprivileged users are able to make changes that would be beneficial or harmless to the Linux system. 
 
 Let's have a look at an example: