Fix typos

Author: dduugg

ext/json/generator/generator.c

@@ -137,8 +137,8 @@ static inline FORCE_INLINE void search_flush(search_state *search)
 {
     // Do not remove this conditional without profiling, specifically escape-heavy text.
     // escape_UTF8_char_basic will advance search->ptr and search->cursor (effectively a search_flush).
-    // For back-to-back characters that need to be escaped, specifcally for the SIMD code paths, this method
-    // will be called just before calling escape_UTF8_char_basic. There will be no characers to append for the
+    // For back-to-back characters that need to be escaped, specifically for the SIMD code paths, this method
+    // will be called just before calling escape_UTF8_char_basic. There will be no characters to append for the
     // consecutive characters that need to be escaped. While the fbuffer_append is a no-op if
     // nothing needs to be flushed, we can save a few memory references with this conditional.
     if (search->ptr > search->cursor) {

ext/json/lib/json.rb

@@ -133,7 +133,7 @@
 # When not specified:
 #   # The last value is used and a deprecation warning emitted.
 #   JSON.parse('{"a": 1, "a":2}') => {"a" => 2}
-#   # waring: detected duplicate keys in JSON object.
+#   # warning: detected duplicate keys in JSON object.
 #   # This will raise an error in json 3.0 unless enabled via `allow_duplicate_key: true`
 #
 # When set to `+true+`

ext/json/lib/json/common.rb

@@ -1002,7 +1002,7 @@ class Coder
     # See {Parsing Options}[#module-JSON-label-Parsing+Options], and {Generating Options}[#module-JSON-label-Generating+Options].
     #
     # For generation, the <tt>strict: true</tt> option is always set. When a Ruby object with no native \JSON counterpart is
-    # encoutered, the block provided to the initialize method is invoked, and must return a Ruby object that has a native
+    # encountered, the block provided to the initialize method is invoked, and must return a Ruby object that has a native
     # \JSON counterpart:
     #
     #  module MyApp

ext/json/parser/parser.c

@@ -1265,7 +1265,7 @@ static VALUE json_parse_any(JSON_ParserState *state, JSON_ParserConfig *config)
             break;
     }
 
-    raise_parse_error("unreacheable: %s", state);
+    raise_parse_error("unreachable: %s", state);
 }
 
 static void json_ensure_eof(JSON_ParserState *state)

test/json/ractor_test.rb

@@ -42,7 +42,7 @@ def test_generate
       else
         puts "Expected:"
         puts expected_json
-        puts "Acutual:"
+        puts "Actual:"
         puts actual_json
         puts
         exit 1