Apply suggestions from code review

Co-authored-by: Rasmus Wriedt Larsen <rasmuswriedtlarsen@gmail.com>

python/ql/src/experimental/semmle/python/templates/Cheetah.qll

@@ -17,7 +17,7 @@ ClassValue theCheetahTemplateClass() { result = Value::named("Cheetah.Template.T
  *    contents = 'Hello World!'
  *  t3 = Template3("sink")
  *
- * This should also detect cases of the following type :
+ * This will also detect cases of the following type :
  *
  *  from Cheetah.Template import Template
  *  t3 = Template("sink")

python/ql/src/experimental/semmle/python/templates/Jinja.qll

@@ -17,7 +17,7 @@ Value theJinja2FromStringValue() { result = Value::named("jinja2.from_string") }
  *  template = Template(`sink`)
  */
 class Jinja2TemplateSink extends SSTISink {
-  override string toString() { result = "argument to Jinja2.template()" }
+  override string toString() { result = "argument to jinja2.Template()" }
 
   Jinja2TemplateSink() {
     exists(CallNode call |
@@ -30,13 +30,13 @@ class Jinja2TemplateSink extends SSTISink {
 }
 
 /**
- * Sink representing the `jinja2.Template` class instantiation argument.
+ * Sink representing the `jinja2.from_string` function call argument.
  *
- *  from jinja2 import Template
- *  template = Template(`sink`)
+ *  from jinja2 import from_string
+ *  template = from_string(`sink`)
  */
 class Jinja2FromStringSink extends SSTISink {
-  override string toString() { result = "argument to Jinja2.from_string()" }
+  override string toString() { result = "argument to jinja2.from_string()" }
 
   Jinja2FromStringSink() {
     exists(CallNode call |

python/ql/src/experimental/semmle/python/templates/SSTISink.qll

@@ -2,6 +2,6 @@ import semmle.python.dataflow.TaintTracking
 
 /**
  * A generic taint sink that is vulnerable to template inclusions.
- * The `temp` in `Jinja2.Template(temp)` and similar.
+ * The `temp` in `jinja2.Template(temp)` and similar.
  */
 abstract class SSTISink extends TaintSink { }