diff --git a/cmd/primeOmega.go b/cmd/primeOmega.go
index 839d130..9c7456c 100644
--- a/cmd/primeOmega.go
+++ b/cmd/primeOmega.go
@@ -45,9 +45,11 @@ func primeOmega(cmd *cobra.Command, args []string) {
 // primeOmegaCmd represents the primeOmega command
 var primeOmegaCmd = &cobra.Command{
 	Use:   "prime-omega -n N",
-	Short: "",
-	Long:  ``,
-	Run:   primeOmega,
+	Short: "Compute the prime omega function for all numbers less than n",
+	Long: `Compute the prime omega function for all numbers less than n.
+
+The prime omega functions Omega(n) and omega(n) count the number of prime factors of the input, either with or without multiplicity, respectively. For instance, 12 = 2^2 * 3, so Omega(12) = 3 and omega(12) = 2.`,
+	Run: primeOmega,
 }
 
 func init() {