diff --git a/scripts/gen-commands.mjs b/scripts/gen-commands.mjs
index 7702c37..0f4da79 100644
--- a/scripts/gen-commands.mjs
+++ b/scripts/gen-commands.mjs
@@ -77,12 +77,16 @@ const firstLine = (s) =>
     .split('\n')[0]
     .trim()
 
-// Escape MDX-significant chars: `|` breaks tables, bare `<`/`>` parse as JSX.
+// Escape MDX-significant chars: `|` breaks tables, bare `<`/`>` parse as JSX,
+// and a bare `{` opens a JSX expression (a literal `{name, type}` or a JSON
+// `{"glue":...}` in a description otherwise fails the MDX build).
 const mdxSafe = (s) =>
   firstLine(s)
     .replaceAll('|', '\\|')
     .replaceAll('<', '&lt;')
     .replaceAll('>', '&gt;')
+    .replaceAll('{', '&#123;')
+    .replaceAll('}', '&#125;')
 
 export function renderWebsiteMdx(manifest, bin = BIN) {
   const { commands, byTopic } = groupByTopic(manifest)
diff --git a/website/src/content/docs/reference/commands.mdx b/website/src/content/docs/reference/commands.mdx
index 5e4e580..c5ce7d6 100644
--- a/website/src/content/docs/reference/commands.mdx
+++ b/website/src/content/docs/reference/commands.mdx
@@ -1247,7 +1247,7 @@ pdcli filter create [flags]
 | --- | --- |
 | `--name` &lt;value&gt; | Filter name |
 | `--type` &lt;deals\|leads\|org\|people\|products\|activity\|projects&gt; | Filter type |
-| `--conditions` &lt;value&gt; | Conditions JSON (a value, @file, or piped stdin). Fields are referenced by numeric field_id — run `pdcli filter helpers` for the valid operators. The blob needs the two-level glue structure {"glue":"and","conditions":[{"glue":"and",...},{"glue":"or",...}]}. |
+| `--conditions` &lt;value&gt; | Conditions JSON (a value, @file, or piped stdin). Fields are referenced by numeric field_id — run `pdcli filter helpers` for the valid operators. The blob needs the two-level glue structure &#123;"glue":"and","conditions":[&#123;"glue":"and",...&#125;,&#123;"glue":"or",...&#125;]&#125;. |
 
 ```bash
 pdcli filter create --name "Open deals" --type deals --conditions @conditions.json
@@ -1273,7 +1273,7 @@ pdcli filter delete 5 --yes
 
 ### `pdcli filter export`
 
-Export a filter (or all filters) as portable {name, type, conditions} JSON. To recreate it, feed the fields to `filter create` separately (the create command takes --name/--type/--conditions, not one blob).
+Export a filter (or all filters) as portable &#123;name, type, conditions&#125; JSON. To recreate it, feed the fields to `filter create` separately (the create command takes --name/--type/--conditions, not one blob).
 
 ```text
 pdcli filter export [id] [flags]