C++: Grammar/style fixes from code review

Co-authored-by: Jonas Jensen <jbj@github.com>

Author: 2 people

cpp/ql/src/semmle/code/cpp/models/interfaces/FlowSource.qll

@@ -11,7 +11,7 @@ import FunctionInputsAndOutputs
 import semmle.code.cpp.models.Models
 
 /**
- * A library function which returns data that may be read from a network connection.
+ * A library function that returns data that may be read from a network connection.
  */
 abstract class RemoteFlowFunction extends Function {
   /**
@@ -21,11 +21,11 @@ abstract class RemoteFlowFunction extends Function {
 }
 
 /**
- * A library function which returns data that is directly controlled by a user.
+ * A library function that returns data that is directly controlled by a user.
  */
 abstract class LocalFlowFunction extends Function {
   /**
    * Holds if data described by `description` flows from `output` of a call to this function.
    */
   abstract predicate hasLocalFlowSource(FunctionOutput output, string description);
-}
+}

cpp/ql/src/semmle/code/cpp/security/FlowSources.qll

@@ -96,5 +96,5 @@ private class ArgvSource extends LocalFlowSource {
     )
   }
 
-  override string getSourceType() { result = "a command line argument" }
+  override string getSourceType() { result = "a command-line argument" }
 }