diff --git a/wpilibc/src/main/native/include/frc/Watchdog.h b/wpilibc/src/main/native/include/frc/Watchdog.h
index b130cc17fc..d32fa11322 100644
--- a/wpilibc/src/main/native/include/frc/Watchdog.h
+++ b/wpilibc/src/main/native/include/frc/Watchdog.h
@@ -51,6 +51,9 @@ class Watchdog {
   /**
    * Adds time since last epoch to the list printed by PrintEpochs().
    *
+   * Epochs are a way to partition the time elapsed so that when overruns occur,
+   * one can determine which parts of an operation consumed the most time.
+   *
    * @param epochName The name to associate with the epoch.
    */
   void AddEpoch(wpi::StringRef epochName);
diff --git a/wpilibj/src/main/java/edu/wpi/first/wpilibj/Watchdog.java b/wpilibj/src/main/java/edu/wpi/first/wpilibj/Watchdog.java
index 4a458d310d..fc0d8417c0 100644
--- a/wpilibj/src/main/java/edu/wpi/first/wpilibj/Watchdog.java
+++ b/wpilibj/src/main/java/edu/wpi/first/wpilibj/Watchdog.java
@@ -68,6 +68,9 @@ public class Watchdog {
   /**
    * Adds time since last epoch to the list printed by printEpochs().
    *
+   * <p>Epochs are a way to partition the time elapsed so that when overruns occur, one can
+   * determine which parts of an operation consumed the most time.
+   *
    * @param epochName The name to associate with the epoch.
    */
   public void addEpoch(String epochName) {