chore: fix some typos in comment

Signed-off-by: jishudashu <979260390@qq.com>

Author: jishudashu

docs/build/opl/celer/ping-example.md

@@ -169,7 +169,7 @@ cross-chain.
 
 You'll need the following three parameters:
 
-- `_dstContract`: The contract address of the reveiving contract on the
+- `_dstContract`: The contract address of the receiving contract on the
   destination chain which you just deployed.
 - `_dstChainId`: The chain id of the destination chain. Which is in our
   example `Sapphire Testnet` - `23295`.

docs/general/manage-tokens/README.mdx

@@ -76,7 +76,7 @@ and the other way around.
     to move ROSE to Oasis Sapphire. The app will prompt you to sign-in.
 
 4.  **Copy Deposit Address:** The app will display the a **Oasis Consensus Layer
-    address** for your withdrawl. **Copy this address.** (It will be a
+    address** for your withdrawal. **Copy this address.** (It will be a
     oasis1… style address).
 
 5.  **Withdraw from the Exchange:** Now go to your exchange account and initiate

src/css/custom.css

@@ -151,7 +151,7 @@ html[data-theme="dark"] {
 }
 
 /* To have the full description of pages,
-   in combination with card heigt 100% to have even size boxes in a list.
+   in combination with card height 100% to have even size boxes in a list.
   */
 .card p {
   white-space: normal;