WIP: Correct all typos (#498)

tool/net/help.txt

@@ -863,7 +863,7 @@ FUNCTIONS
 
           Integer literals are encoded as decimal. However if the int64
           number is ≥256 and has a population count of 1 then we switch
-          to representating the number in hexadecimal, for readability.
+          to representing the number in hexadecimal, for readability.
           Hex numbers have leading zeroes added in order to visualize
           whether the number fits in a uint16, uint32, or int64. Also
           some numbers can only be encoded expressionally. For example,

tool/net/largon2.c

@@ -52,7 +52,7 @@ and later.
 Note: this document is also valid for the
 [lua-argon2-ffi](https://github.com/thibaultcha/lua-argon2-ffi) module: an FFI
 implementation of this binding for LuaJIT which uses the same API as this
-original implementaiton.
+original implementation.
 
 @module argon2
 @author Thibault Charbonnier
@@ -76,7 +76,7 @@ for a description of those variants.
 /***
 Argon2 hashing options. Those options can be given to `hash_encoded` as a table.
 If values are omitted, the default values of this module will be used.
-Default values of this module can be overriden with `m_cost()`, `t_cost()`,
+Default values of this module can be overridden with `m_cost()`, `t_cost()`,
 `parallelism()`, `hash_len()`, and `variant()`.
 @field t_cost Number of iterations (`number`, default: `3`).
     argon2.hash_encoded("password", "salt", { t_cost = 4 })

tool/net/lsqlite3.c

@@ -1023,7 +1023,7 @@ static void db_sql_finalize_function(sqlite3_context *context) {
 /*
 ** Register a normal function
 ** Params: db, function name, number arguments, [ callback | step, finalize], user data
-** Returns: true on sucess
+** Returns: true on success
 **
 ** Normal function:
 ** Params: context, params
@@ -1336,7 +1336,7 @@ static int db_rollback_hook(lua_State *L) {
 **
 ** callback function:
 ** Params: userdata, number of tries
-** returns: 0 to return immediatly and return SQLITE_BUSY, non-zero to try again
+** returns: 0 to return immediately and return SQLITE_BUSY, non-zero to try again
 */
 static int db_busy_callback(void *user, int tries) {
     int retry = 0; /* abort by default */