chore: fix some comments

Signed-off-by: dongjinlong <[email protected]>

Author: dongjinlong

doc/_stdlib_gen/stdlib-content.jsonnet

@@ -376,7 +376,7 @@ local html = import 'html.libsonnet';
           params: ['str'],
           availableSince: '0.20.0',
           description: |||
-            Returns true if the the given string is of zero length.
+            Returns true if the given string is of zero length.
           |||,
         },
         {

doc/ref/language.html.md

@@ -478,7 +478,7 @@ By default nested objects are completely replaced when overriden. For example:
 ```
 {
   nested_object: {
-    field_of_the_nested_object: "will dissappear"
+    field_of_the_nested_object: "will disappear"
   },
   not_touched: "still there",
 }

doc/ref/stdlib.html

@@ -1070,7 +1070,7 @@ <h4 id="isEmpty">
         </em>
       </p>
       <p>
-        Returns true if the the given string is of zero length.
+        Returns true if the given string is of zero length.
       </p>
 
     </div>

python/_jsonnet_test.py

@@ -21,7 +21,7 @@
 
 # Returns (full_path, contents) if the file was successfully retrieved,
 # (full_path, None) if file not found, or throws an exception when the path
-# is invalid or an IO error occured.
+# is invalid or an IO error occurred.
 # It caches both hits and misses in the `cache` dict. Exceptions
 # do not need to be cached, because they abort the computation anyway.
 def try_path_cached(cache, dir, rel):