docs: fix a few typos

README.md

@@ -175,14 +175,14 @@ require("spider").motion("w", {
  customPatterns = { "%d+" },
 })
 
--- The motion stops at only at words with at least 3 chars or at any punctuation.
+-- The motion stops only at words with 3 or more chars or at any punctuation.
 -- (Lua patterns have no quantifier like `{3,}`, thus the repetition.)
 require("spider").motion("w", {
  customPatterns = { "%w%w%w+", "%p+" },
 })
 
--- The motion stops only at hashes like `ef82a2`, avoiding repetition by using
--- `string.rep()`.
+-- The motion stops only at hashes like `ef82a2`
+-- (here avoiding repetition by using `string.rep()`)
 -- Extend default patterns by passing a `patterns` table and
 -- setting `overrideDefault` to false.
 require("spider").motion("w", {
@@ -194,7 +194,7 @@ require("spider").motion("w", {
  },
 })
 
--- The motion stops at the next declaration of a variable in -- javascript.
+-- The motion stops at the next declaration of a javascript variable.
 -- (The `e` motion combined with the `.` matching any character in
 -- lua patterns ensures that you stop at beginning of the variable name.)
 require("spider").motion("e", {