docs: update content

docs/api/marks/strike.md

@@ -1,5 +1,5 @@
 ---
-description: Cut through the words you wrote, if you’re too afraid to delete it.
+description: Cut through the words you wrote if you’re too afraid to delete it.
 icon: strikethrough
 ---
 

docs/api/marks/subscript.md

@@ -1,5 +1,5 @@
 ---
-description: Write slightly below the normal line, to show you’re unique.
+description: Write slightly below the normal line to show you’re unique.
 icon: subscript
 ---
 

docs/api/marks/superscript.md

@@ -1,5 +1,5 @@
 ---
-description: Write slightly above the normal line, to show you’re just next level.
+description: Write slightly above the normal line to show you’re just next level.
 icon: superscript
 ---
 

docs/api/marks/text-style.md

@@ -1,6 +1,6 @@
 ---
 description: Useless extension, just adds <span> tags (required by other extensions though).
-icon: text
+icon: palette-line
 ---
 
 # TextStyle