Help: fix typo

Author: CarterLi

src/data/help.json

@@ -471,13 +471,15 @@
         {
             "long": "set",
             "desc": "Hard set the value of a key",
+            "remark": "Deprecated. Use \"Custom\" module instead",
             "arg": {
                 "type": "key=value"
             }
         },
         {
             "long": "set-keyless",
             "desc": "Hard set the value of a key, but don't print the key or the separator",
+            "remark": "Deprecated. Use \"Custom\" module instead",
             "arg": {
                 "type": "key=value"
             }
@@ -517,7 +519,7 @@
                 "enum": {
                     "IEC": "1024 Bytes = 1 KiB, 1024 KiB = 1 MiB, ...",
                     "SI": "1000 Bytes = 1 KB, 1000 KB = 1 MB, ...",
-                    "JEDEC": "1024 Bytes = 1 kB, 1024 K = 1 MB, ..."
+                    "JEDEC": "1024 Bytes = 1 kB, 1024 kB = 1 MB, ..."
                 },
                 "default": "IEC"
             }

src/options/display.h

@@ -6,7 +6,7 @@ typedef enum FFBinaryPrefixType
 {
     FF_BINARY_PREFIX_TYPE_IEC,   // 1024 Bytes = 1 KiB, 1024 KiB = 1 MiB, ... (standard)
     FF_BINARY_PREFIX_TYPE_SI,    // 1000 Bytes = 1 KB, 1000 KB = 1 MB, ...
-    FF_BINARY_PREFIX_TYPE_JEDEC, // 1024 Bytes = 1 kB, 1024 K = 1 MB, ...
+    FF_BINARY_PREFIX_TYPE_JEDEC, // 1024 Bytes = 1 kB, 1024 kB = 1 MB, ...
 } FFBinaryPrefixType;
 
 typedef enum FFTemperatureUnit