Fix typos in main.tex (#11)

blueprint/src/chapter/main.tex

@@ -7455,7 +7455,7 @@ \section{Proof of Cotlar's Inequality}
     T_{0} g(x):=\sup_{0<r_1<1}\sup_{|x-x'|<r_1}\frac 1{2\pi} \left|\int_{r_1<|x'-y|<1}
 g(y) \kappa(x'-y)\, dy\right|\, .
 \end{equation}
-We now write by the triangle inequaqlity
+We now write by the triangle inequality
 \begin{equation}\label{concretetstartriangle}
     T_* g(x)\le \sup_{0<r_1<r_2<1}\sup_{|x-x'|<r_1}\frac 1{2\pi} \left|\int_{r_1<|x'-y|<1}g(y) \kappa(x'-y)\, dy\right|
 \end{equation}
@@ -8293,7 +8293,7 @@ \section{Calder\'on-Zygmund Decomposition}
 \end{proof}
 
 \begin{proof}[Proof of Lemma \ref{lem-weak-1-1}]
-Using Lemma \ref{lem-czd-func} for $f$ and $2^{-10}\alpha$, we obtain the deomposition
+Using Lemma \ref{lem-czd-func} for $f$ and $2^{-10}\alpha$, we obtain the decomposition
 $$f=g+\sum_j b_j$$
 such that the properties \eqref{eq-gb-dec}-\eqref{eq-b-L1} are satisfied with $\gamma=2^{-10}$. For each $j$, let
 \begin{equation}