docs: update repl text

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---

Author: gunjjoshi

lib/node_modules/@stdlib/fft/base/fftpack/rffti/docs/repl.txt

@@ -3,15 +3,18 @@
     Initializes a workspace array for performing a real-valued Fourier
     transform.
 
-    The workspace array is divided into three sections: scratch/workspace
-    (indices 0 to N-1), twiddle factors (indices N to 2N-1), and radix factor
-    table (indices 2N onwards).
-
-    The scratch/workspace section is used while performing transforms and is
-    not updated during initialization. The twiddle factors section stores a
-    table of reusable complex exponential constants as cosine/sine pairs. The
-    radix factor table stores the sequence length N, the number of factors into
-    which N was decomposed, and the individual integer radix factors.
+    The workspace array is divided into three sections:
+
+    1. scratch/workspace: the section ranges from indices 0 to N-1 and is used
+        while performing transforms. This section is not updated during
+        initialization.
+
+    2. twiddle factors: the section ranges from indices N to 2N-1 and stores a
+        table of reusable complex exponential constants as cosine/sine pairs.
+
+    3. radix factor table: the section starts at index 2N and stores the
+        sequence length N, the number of factors into which N was decomposed,
+        and the individual integer radix factors.
 
     Any remaining array space remains as unused storage.