Spellcheck docs (#1652)

* Spelling mistakes

docs/projects/watch/digital-watch.md

@@ -14,7 +14,7 @@ We need to make some variables to keep track of the time and for a few other thi
 2. Ok, in **Variables** click on `Make a Variable`. Name the variable as `hours`. Drag out a ``||variables:set to||`` block and change the name with the dropdown to `hours`. Place the variable into the ``||basic:on start||`` block.
 3. Repeat this 4 more times to make variables named `minutes`, `time`, `adjust`, and `ampm`.
 4. Now, for the ``||variables:set to||`` block for `time`, go to **Text** and drag a `" "` in and replace the `0`.
-5. For the `ampm` variable, change the `0` there to a `false` from the **Logic** catagory. 
+5. For the `ampm` variable, change the `0` there to a `false` from the **Logic** category. 
 
 ```blocks
 let hours = 0
@@ -28,7 +28,7 @@ let ampm = false
 
 So, let's try showing the time on the display. We aren't keeping time yet but we'll just see if we can make our watch show something.
 
-1. Get in the **Input** catagory and pull out an ``||input:on shake||``. We'll have our watch show the time when it's shaken.
+1. Get in the **Input** category and pull out an ``||input:on shake||``. We'll have our watch show the time when it's shaken.
 2. Get another ``||variables:set to||`` and put it into the ``||input:on shake||``. Change the name to `time`.
 3. Replace the `0` with a ``||text:join||`` from **Text**. Get another ``||text:join||`` and put it into the second slot of the first ``||text:join||`` you pulled out.
 4. Change the `" "` in the first ``||text:join||`` to the `hours` variable. Change the text in the first slot of the second ``||text:join||`` to `":"`. And, change the last slot in the second ``||text:join||`` to the `minutes` variable.
@@ -52,8 +52,8 @@ Let's make a way to set the hours for the watch.
 
 1. In **Input**, find an ``||input:on button pressed||`` an put it somewhere on the workspace.
 2. Get an ``||logic:if then else||`` block from **Logic** and put it in the ``||input:on button pressed||``.
-3. From the same **Logic** category, get a ``||logic:0 < 0||`` and relpace the `false` condition with it.
-4. Change the left `0` in the condtion to the `hours` variable. Change `0` on the right to `23`. This limits our hour count to 23 hours.
+3. From the same **Logic** category, get a ``||logic:0 < 0||`` and replace the `false` condition with it.
+4. Change the left `0` in the condition to the `hours` variable. Change `0` on the right to `23`. This limits our hour count to 23 hours.
 5. In the ``||logic:then||`` section, put a ``||variables:change by||`` there. Select the `hours` variable name from the dropdown.
 6. In the ``||logic:else||`` section, put a ``||variables:set to||`` there. Select the `hours` variable name from the dropdown and leave the `0`.
 
@@ -266,4 +266,4 @@ Right now, it's showing 24 hour format: hours go from `0` to `23` and back to `0
 
 To set it to the current time, you use the **A** and **B** buttons. The **A** button moves the current hour up by one each time it's pressed. The **B** button moves the minutes up by one every time it's pressed.
 
-Now that you can tell time on your @boardname@ who knows what you will accomplish next. Only, time will tell!
+Now that you can tell time on your @boardname@ who knows what you will accomplish next. Only, time will tell!

docs/projects/watch/timer.md

@@ -28,8 +28,8 @@ We'll use button `A` to add `10` seconds to our time count. The time count of `s
 
 1. In **Input**, find an ``||input:on button pressed||`` an put it somewhere on the workspace.
 2. Get an ``||logic:if then||`` block from **Logic** and put it in the ``||input:on button pressed||``.
-3. From the same **Logic** category, get a ``||logic:0 < 0||`` and relpace the `false` condition with it.
-4. Change the left `0` in the condtion to the `seconds` variable. Change `0` on the right to `50`. This limits time to just one minute.
+3. From the same **Logic** category, get a ``||logic:0 < 0||`` and replace the `false` condition with it.
+4. Change the left `0` in the condition to the `seconds` variable. Change `0` on the right to `50`. This limits time to just one minute.
 5. In the ``||logic:then||`` section, put a ``||variables:change by||`` there. Select the `seconds` variable name from the dropdown and change the `0` on the right to `10`.
 6. Add a ``||basic:show number||`` below the ``||variables:change by||``. Change the value to the `seconds` variable. Then, put a ``||basic:clear screen||`` under that.
 
@@ -50,8 +50,8 @@ Now, we'll use the `B` button to add just `1` second the time count. The time co
 
 1. In **Input**, find an ``||input:on button pressed||`` an put it somewhere on the workspace.
 2. Get an ``||logic:if then||`` block from **Logic** and put it in the ``||input:on button pressed||``.
-3. From the same **Logic** category, get a ``||logic:0 < 0||`` and relpace the `false` condition with it.
-4. Change the left `0` in the condtion to the `seconds` variable. Change `0` on the right to `60`. Again, this limits the time to just one minute.
+3. From the same **Logic** category, get a ``||logic:0 < 0||`` and replace the `false` condition with it.
+4. Change the left `0` in the condition to the `seconds` variable. Change `0` on the right to `60`. Again, this limits the time to just one minute.
 5. In the ``||logic:then||`` section, put a ``||variables:change by||`` there. Select the `seconds` variable name from the dropdown.
 6. Add a ``||basic:show number||`` below the ``||variables:change by||``. Change the value to the `seconds` variable. Then, put a ``||basic:clear screen||`` under that.
 
@@ -107,4 +107,4 @@ input.onGesture(Gesture.Shake, () => {
 
 Nice! You've got your timer coded now. Go press the ``|Download|`` button and put your code on the @boardname@. When you shake it, it counts down from the time you have set.
 
-At first, there are zero seconds set. To add ten seconds to the count, press the **A** button. To increase the count by one second, press the **B** button.
+At first, there are zero seconds set. To add ten seconds to the count, press the **A** button. To increase the count by one second, press the **B** button.