diff --git a/Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js b/Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js
index 9e05a871e..bfc7ee13a 100644
--- a/Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js
+++ b/Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js
@@ -32,6 +32,6 @@ function assertEquals(actualOutput, targetOutput) {
 }
 
 // TODO: Write tests to cover all cases, including boundary and invalid cases.
-// Example: Identify Right Angles
+// Example: Identify Right Angles.
 const right = getAngleType(90);
 assertEquals(right, "Right angle");
diff --git a/Sprint-3/1-implement-and-rewrite-tests/implement/2-is-proper-fraction.js b/Sprint-3/1-implement-and-rewrite-tests/implement/2-is-proper-fraction.js
index 970cb9b64..1bcd84204 100644
--- a/Sprint-3/1-implement-and-rewrite-tests/implement/2-is-proper-fraction.js
+++ b/Sprint-3/1-implement-and-rewrite-tests/implement/2-is-proper-fraction.js
@@ -29,5 +29,5 @@ function assertEquals(actualOutput, targetOutput) {
 // TODO: Write tests to cover all cases.
 // What combinations of numerators and denominators should you test?
 
-// Example: 1/2 is a proper fraction
+// Example: 1/2 is a proper fraction.
 assertEquals(isProperFraction(1, 2), true);
diff --git a/Sprint-3/1-implement-and-rewrite-tests/implement/3-get-card-value.js b/Sprint-3/1-implement-and-rewrite-tests/implement/3-get-card-value.js
index c7559e787..3d897461e 100644
--- a/Sprint-3/1-implement-and-rewrite-tests/implement/3-get-card-value.js
+++ b/Sprint-3/1-implement-and-rewrite-tests/implement/3-get-card-value.js
@@ -45,7 +45,7 @@ assertEquals(getCardValue("9♠"), 9);
 try {
   getCardValue("invalid");
 
-  // This line will not be reached if an error is thrown as expected
+  // This line will not be reached if an error is thrown as expected.
   console.error("Error was not thrown for invalid card");
 } catch (e) {}