Add ROCm A-Z entries to TOC (#2454)

docs/reference/index.md

@@ -22,7 +22,7 @@ HIP is both AMD's GPU programming language extension and the GPU runtime.
 HIP Math Libraries support the following domains:
 
 * [Linear Algebra Libraries](./libraries/gpu-libraries/math-linear-algebra.md)
-* [Fast Fourier Transforms](./libraries/gpu-libraries/math-fft.md)
+* [Fast Fourier transforms (FFTs)](./libraries/gpu-libraries/math-fft.md)
 * [Random Numbers](./libraries/gpu-libraries/rand.md)
 
 :::

docs/reference/libraries/gpu-libraries/math-fft.md

@@ -1,4 +1,4 @@
-# Fast Fourier Transforms
+# Fast Fourier transforms
 
 ROCm libraries for FFT are as follows:
 

docs/reference/libraries/gpu-libraries/math.md

@@ -32,7 +32,7 @@ at compile-time of the hipLIB in question. For dynamic dispatch between vendor i
 :::
 
 :::{grid-item-card}
-**[Fast Fourier Transforms](./math-fft.md)**
+**[Fast Fourier transforms (FFTs)](./math-fft.md)**
 
 * {doc}`rocFFT <rocfft:index>`
 * {doc}`hipFFT <hipfft:index>`