chore: fix some typos in comments (#4345)

chore: fix some typos in comments

Signed-off-by: laterlaugh <manziwenzhai@sina.cn>

tests/src/unit-class_parser.cpp

@@ -828,7 +828,7 @@ TEST_CASE("parser class")
                     // for ranges in range of IEEE 754-2008 binary64 (double precision)
                     // this does not accommodate 64 bit integers without loss of accuracy.
                     // As 64 bit integers are now widely used in software, it is desirable
-                    // to expand support to to the full 64 bit (signed and unsigned) range
+                    // to expand support to the full 64 bit (signed and unsigned) range
                     // i.e. -(2**63) -> (2**64)-1.
 
                     // -(2**63)    ** Note: compilers see negative literals as negated positive numbers (hence the -1))

tests/src/unit-regression2.cpp

@@ -866,7 +866,7 @@ TEST_CASE("regression tests 2")
         CHECK(j.dump() == "[1,4]");
     }
 
-    SECTION("issue #3343 - json and ordered_json are not interchangable")
+    SECTION("issue #3343 - json and ordered_json are not interchangeable")
     {
         json::object_t jobj({ { "product", "one" } });
         ordered_json::object_t ojobj({{"product", "one"}});