apply suggestions from doc review

Co-authored-by: mc <[email protected]>

Author: erik-krogh

ruby/ql/src/change-notes/2022-10-10-unsafe-shell-command-construction.md

@@ -1,4 +1,4 @@
 ---
 category: newQuery
 ---
-* Added a new query, `rb/shell-command-constructed-from-input`, to detect libraries that unsafely constructs shell commands from their inputs.
+* Added a new query, `rb/shell-command-constructed-from-input`, to detect libraries that unsafely construct shell commands from their inputs.

ruby/ql/src/queries/security/cwe-078/UnsafeShellCommandConstruction.qhelp

@@ -55,7 +55,7 @@
 
 	<p>
 		To avoid such potentially catastrophic behaviors, provide the
-		inputs from exported functions as an argument that does not
+		input from exported functions as an argument that does not
 		get interpreted by a shell:
 	</p>