corrected index "ToC"

Several small mistakes in the Table of Contents were corrected.

Author: JoramSoch

I/ToC.md

@@ -432,15 +432,16 @@ title: "Table of Contents"
    &emsp;&ensp; 3.4.3. *[Standard gamma distribution](/D/sgam)* <br>
    &emsp;&ensp; 3.4.4. **[Relationship to standard gamma distribution](/P/gam-sgam)** (1) <br>
    &emsp;&ensp; 3.4.5. **[Relationship to standard gamma distribution](/P/gam-sgam2)** (2) <br>
-   &emsp;&ensp; 3.4.6. **[Probability density function](/P/gam-pdf)** <br>
-   &emsp;&ensp; 3.4.7. **[Cumulative distribution function](/P/gam-cdf)** <br>
-   &emsp;&ensp; 3.4.8. **[Quantile function](/P/gam-qf)** <br>
-   &emsp;&ensp; 3.4.9. **[Mean](/P/gam-mean)** <br>
-   &emsp;&ensp; 3.4.10. **[Variance](/P/gam-var)** <br>
-   &emsp;&ensp; 3.4.11. **[Logarithmic expectation](/P/gam-logmean)** <br>
-   &emsp;&ensp; 3.4.12. **[Expectation of x ln x](/P/gam-xlogx)** <br>
-   &emsp;&ensp; 3.4.13. **[Differential entropy](/P/gam-dent)** <br>
-   &emsp;&ensp; 3.4.14. **[Kullback-Leibler divergence](/P/gam-kl)** <br>
+   &emsp;&ensp; 3.4.6. **[Scaling of a gamma random variable](/P/gam-scal)** <br>
+   &emsp;&ensp; 3.4.7. **[Probability density function](/P/gam-pdf)** <br>
+   &emsp;&ensp; 3.4.8. **[Cumulative distribution function](/P/gam-cdf)** <br>
+   &emsp;&ensp; 3.4.9. **[Quantile function](/P/gam-qf)** <br>
+   &emsp;&ensp; 3.4.10. **[Mean](/P/gam-mean)** <br>
+   &emsp;&ensp; 3.4.11. **[Variance](/P/gam-var)** <br>
+   &emsp;&ensp; 3.4.12. **[Logarithmic expectation](/P/gam-logmean)** <br>
+   &emsp;&ensp; 3.4.13. **[Expectation of x ln x](/P/gam-xlogx)** <br>
+   &emsp;&ensp; 3.4.14. **[Differential entropy](/P/gam-dent)** <br>
+   &emsp;&ensp; 3.4.15. **[Kullback-Leibler divergence](/P/gam-kl)** <br>
 
    3.5. Exponential distribution <br>
    &emsp;&ensp; 3.5.1. *[Definition](/D/exp)* <br>
@@ -733,7 +734,7 @@ title: "Table of Contents"
    &emsp;&ensp; 3.2.2. **[Multinomial test](/P/mult-test)** <br>
    &emsp;&ensp; 3.2.3. **[Maximum likelihood estimation](/P/mult-mle)** <br>
    &emsp;&ensp; 3.2.4. **[Maximum log-likelihood](/P/mult-mll)** <br>
-   &emsp;&ensp; 3.1.5. **[Maximum-a-posteriori estimation](/P/mult-map)** <br>
+   &emsp;&ensp; 3.2.5. **[Maximum-a-posteriori estimation](/P/mult-map)** <br>
    &emsp;&ensp; 3.2.6. **[Conjugate prior distribution](/P/mult-prior)** <br>
    &emsp;&ensp; 3.2.7. **[Posterior distribution](/P/mult-post)** <br>
    &emsp;&ensp; 3.2.8. **[Log model evidence](/P/mult-lme)** <br>