Update help

README.md

@@ -261,7 +261,7 @@ Press <kbd>?</kbd> in `nnn` to see the list anytime.
          ! ^]  Shell   ^N  Note  L  Lock
          R ^V  Pick plugin   :K xK  Run plugin key K
             c  SSHFS mount       u  Unmount
-           ^P  Prompt            =  Launcher
+           ^P  Prompt/run expr   =  Launcher
 ```
 
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src/nnn.c

@@ -2857,7 +2857,7 @@ static bool show_help(const char *path)
 	       "9! ^]  Shell   ^N  Note  L  Lock   \n"
 	       "9R ^V  Pick plugin   :K xK  Run plugin key K\n"
 	          "cc  SSHFS mount       u  Unmount\n"
-		 "b^P  Prompt            =  Launcher\n"};
+		 "b^P  Prompt/run expr   =  Launcher\n"};
 
 	fd = create_tmp_file();
 	if (fd == -1)