Clarify the name of the Grothendieck constant

Author: paatai

README.md

@@ -22,7 +22,7 @@ We are arbitrarily numbering the constants as $C\_{1}$, $C\_{2}$, etc., mostly b
 | [7](https://teorth.github.io/optimizationproblems/constants/7a.html) | Irrationality measure of $\pi$ | 2 | 7.103205334137 |
 | [8](https://teorth.github.io/optimizationproblems/constants/8a.html) | Classical zero-free region constant | 0.755106 | 5.558691 |
 | [9](https://teorth.github.io/optimizationproblems/constants/9a.html) | Shannon capacity of the 7-cycle | 3.2578 | 3.3177 |
-| [10](https://teorth.github.io/optimizationproblems/constants/10a.html) | Real Grothendieck constant | 1.67696 | 1.782214 |
+| [10](https://teorth.github.io/optimizationproblems/constants/10a.html) | The real Grothendieck constant | 1.67696 | 1.782214 |
 | [11a](https://teorth.github.io/optimizationproblems/constants/11a.html) | $L^1$ Poincaré constant on the Hamming cube | $\sqrt{\pi/2} \approx 1.2533$ | $\pi/2 - 0.00013 \approx 1.5707$ |
 | [11b](https://teorth.github.io/optimizationproblems/constants/11b.html) | Critical exponent for isoperimetric inequality on the Hamming cube | 0.5 | 0.50057 |
 | [12](https://teorth.github.io/optimizationproblems/constants/12a.html) | The Beardwood–Halton–Hammersley constant | 0.6277 | 0.90304 |