INSTALL.md Markdown fixes (also affects GitHub web)

INSTALL.md

@@ -215,9 +215,9 @@ Note that in msys2, Copy is Ctrl+Insert and Paste is Shift+Insert.
 
 To install Python on msys2, simply run the following commands:
 
-    ```bash
-    pacman -S mingw-w64-x86_64-python3
-    ```
+```bash
+pacman -S mingw-w64-x86_64-python3
+```
 
 Python is now installed.
 
@@ -592,7 +592,8 @@ Note that this is not necessary for a non-modern (agbcc) build since those are b
 
 <details>
     <summary><i>Deprecated; installing agbcc is optional since 1.7.0</i>.</summary>
-2. Install agbcc into pokeemerald-expansion. The commands to run depend on certain conditions. **You should only follow one of the listed instructions**:
+
+1. Install agbcc into pokeemerald-expansion. The commands to run depend on certain conditions. **You should only follow one of the listed instructions**:
 - If agbcc has **not been built before** in the folder where you chose to store pokeemerald Expansion, run the following commands to build and install it into pokeemerald-expansion:
 
     ```bash
@@ -621,18 +622,20 @@ Note that this is not necessary for a non-modern (agbcc) build since those are b
     <details>
         <summary><i>Note...</i></summary>
 
-        > If building agbcc or pokeemerald results in an error, try deleting the agbcc folder and re-installing agbcc as if it has not been built before.
+    > If building agbcc or pokeemerald results in an error, try deleting the agbcc folder and re-installing agbcc as if it has not been built before.
     </details>
 
-3. Once agbcc is installed, change directory back to the base directory where pokeemerald-expansion and agbcc are stored:
+2. Once agbcc is installed, change directory back to the base directory where pokeemerald-expansion and agbcc are stored:
 
     ```bash
     cd ..
     ```
-    
-4. To compile with agbcc:
 
-    ```make agbcc```
+3. To compile with agbcc:
+
+    ```bash
+    make agbcc
+    ```
 
 </details>